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"
25 #include "../libcli/auth/ntlmssp.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;
273 status = cli_smb_recv(subreq, state, &in, 0, NULL, NULL,
276 if (!NT_STATUS_IS_OK(status)) {
277 tevent_req_nterror(req, status);
284 cli->vuid = SVAL(inbuf, smb_uid);
286 p += clistr_pull(inbuf, cli->server_os, (char *)p, sizeof(fstring),
287 bytes+num_bytes-p, STR_TERMINATE);
288 p += clistr_pull(inbuf, cli->server_type, (char *)p, sizeof(fstring),
289 bytes+num_bytes-p, STR_TERMINATE);
290 p += clistr_pull(inbuf, cli->server_domain, (char *)p, sizeof(fstring),
291 bytes+num_bytes-p, STR_TERMINATE);
293 if (strstr(cli->server_type, "Samba")) {
294 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;
735 status = cli_smb_recv(subreq, state, &inbuf, 1, &wct, &vwv,
738 if (!NT_STATUS_IS_OK(status)
739 && !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
740 tevent_req_nterror(req, status);
744 state->status = status;
745 TALLOC_FREE(state->buf);
747 state->inbuf = (char *)inbuf;
748 cli->vuid = SVAL(state->inbuf, smb_uid);
750 blob_length = SVAL(vwv+3, 0);
751 if (blob_length > num_bytes) {
752 tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
755 state->ret_blob = data_blob_const(bytes, blob_length);
757 p = bytes + blob_length;
759 p += clistr_pull(state->inbuf, cli->server_os,
760 (char *)p, sizeof(fstring),
761 bytes+num_bytes-p, STR_TERMINATE);
762 p += clistr_pull(state->inbuf, cli->server_type,
763 (char *)p, sizeof(fstring),
764 bytes+num_bytes-p, STR_TERMINATE);
765 p += clistr_pull(state->inbuf, cli->server_domain,
766 (char *)p, sizeof(fstring),
767 bytes+num_bytes-p, STR_TERMINATE);
769 if (strstr(cli->server_type, "Samba")) {
770 cli->is_samba = True;
773 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 TALLOC_FREE(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;
987 const char *OIDs_ntlm[] = {OID_NTLMSSP, NULL};
989 req = tevent_req_create(mem_ctx, &state,
990 struct cli_session_setup_ntlmssp_state);
998 state->ntlmssp_state = NULL;
999 talloc_set_destructor(
1000 state, cli_session_setup_ntlmssp_state_destructor);
1002 cli_temp_set_signing(cli);
1004 status = ntlmssp_client_start(state,
1007 lp_client_ntlmv2_auth(),
1008 &state->ntlmssp_state);
1009 if (!NT_STATUS_IS_OK(status)) {
1012 ntlmssp_want_feature(state->ntlmssp_state,
1013 NTLMSSP_FEATURE_SESSION_KEY);
1014 if (cli->use_ccache) {
1015 ntlmssp_want_feature(state->ntlmssp_state,
1016 NTLMSSP_FEATURE_CCACHE);
1018 status = ntlmssp_set_username(state->ntlmssp_state, user);
1019 if (!NT_STATUS_IS_OK(status)) {
1022 status = ntlmssp_set_domain(state->ntlmssp_state, domain);
1023 if (!NT_STATUS_IS_OK(status)) {
1026 status = ntlmssp_set_password(state->ntlmssp_state, pass);
1027 if (!NT_STATUS_IS_OK(status)) {
1030 status = ntlmssp_update(state->ntlmssp_state, data_blob_null,
1032 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1036 state->blob_out = spnego_gen_negTokenInit(OIDs_ntlm, &blob_out, NULL);
1037 data_blob_free(&blob_out);
1039 subreq = cli_sesssetup_blob_send(state, ev, cli, state->blob_out);
1040 if (tevent_req_nomem(subreq, req)) {
1041 return tevent_req_post(req, ev);
1043 tevent_req_set_callback(subreq, cli_session_setup_ntlmssp_done, req);
1046 tevent_req_nterror(req, status);
1047 return tevent_req_post(req, ev);
1050 static void cli_session_setup_ntlmssp_done(struct tevent_req *subreq)
1052 struct tevent_req *req = tevent_req_callback_data(
1053 subreq, struct tevent_req);
1054 struct cli_session_setup_ntlmssp_state *state = tevent_req_data(
1055 req, struct cli_session_setup_ntlmssp_state);
1056 DATA_BLOB blob_in, msg_in, blob_out;
1061 status = cli_sesssetup_blob_recv(subreq, talloc_tos(), &blob_in,
1063 TALLOC_FREE(subreq);
1064 data_blob_free(&state->blob_out);
1066 if (NT_STATUS_IS_OK(status)) {
1067 if (state->cli->server_domain[0] == '\0') {
1068 fstrcpy(state->cli->server_domain,
1069 state->ntlmssp_state->server.netbios_domain);
1071 cli_set_session_key(
1072 state->cli, state->ntlmssp_state->session_key);
1074 if (cli_simple_set_signing(
1075 state->cli, state->ntlmssp_state->session_key,
1077 && !cli_check_sign_mac(state->cli, inbuf, 1)) {
1078 TALLOC_FREE(subreq);
1079 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
1082 TALLOC_FREE(subreq);
1083 TALLOC_FREE(state->ntlmssp_state);
1084 tevent_req_done(req);
1087 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1088 tevent_req_nterror(req, status);
1092 if (blob_in.length == 0) {
1093 tevent_req_nterror(req, NT_STATUS_UNSUCCESSFUL);
1097 if ((state->turn == 1)
1098 && NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1099 DATA_BLOB tmp_blob = data_blob_null;
1100 /* the server might give us back two challenges */
1101 parse_ret = spnego_parse_challenge(blob_in, &msg_in,
1103 data_blob_free(&tmp_blob);
1105 parse_ret = spnego_parse_auth_response(blob_in, status,
1106 OID_NTLMSSP, &msg_in);
1111 DEBUG(3,("Failed to parse auth response\n"));
1112 if (NT_STATUS_IS_OK(status)
1113 || NT_STATUS_EQUAL(status,
1114 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1116 req, NT_STATUS_INVALID_NETWORK_RESPONSE);
1121 status = ntlmssp_update(state->ntlmssp_state, msg_in, &blob_out);
1123 if (!NT_STATUS_IS_OK(status)
1124 && !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1125 TALLOC_FREE(subreq);
1126 TALLOC_FREE(state->ntlmssp_state);
1127 tevent_req_nterror(req, status);
1131 state->blob_out = spnego_gen_auth(blob_out);
1132 TALLOC_FREE(subreq);
1133 if (tevent_req_nomem(state->blob_out.data, req)) {
1137 subreq = cli_sesssetup_blob_send(state, state->ev, state->cli,
1139 if (tevent_req_nomem(subreq, req)) {
1142 tevent_req_set_callback(subreq, cli_session_setup_ntlmssp_done, req);
1145 static NTSTATUS cli_session_setup_ntlmssp_recv(struct tevent_req *req)
1147 struct cli_session_setup_ntlmssp_state *state = tevent_req_data(
1148 req, struct cli_session_setup_ntlmssp_state);
1151 if (tevent_req_is_nterror(req, &status)) {
1152 state->cli->vuid = 0;
1155 return NT_STATUS_OK;
1158 static NTSTATUS cli_session_setup_ntlmssp(struct cli_state *cli,
1163 struct tevent_context *ev;
1164 struct tevent_req *req;
1165 NTSTATUS status = NT_STATUS_NO_MEMORY;
1167 if (cli_has_async_calls(cli)) {
1168 return NT_STATUS_INVALID_PARAMETER;
1170 ev = tevent_context_init(talloc_tos());
1174 req = cli_session_setup_ntlmssp_send(ev, ev, cli, user, pass, domain);
1178 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
1181 status = cli_session_setup_ntlmssp_recv(req);
1184 if (!NT_STATUS_IS_OK(status)) {
1185 cli_set_error(cli, status);
1190 /****************************************************************************
1191 Do a spnego encrypted session setup.
1193 user_domain: The shortname of the domain the user/machine is a member of.
1194 dest_realm: The realm we're connecting to, if NULL we use our default realm.
1195 ****************************************************************************/
1197 ADS_STATUS cli_session_setup_spnego(struct cli_state *cli, const char *user,
1198 const char *pass, const char *user_domain,
1199 const char * dest_realm)
1201 char *principal = NULL;
1202 char *OIDs[ASN1_MAX_OIDS];
1205 const char *p = NULL;
1206 char *account = NULL;
1209 DEBUG(3,("Doing spnego session setup (blob length=%lu)\n", (unsigned long)cli->secblob.length));
1211 /* the server might not even do spnego */
1212 if (cli->secblob.length <= 16) {
1213 DEBUG(3,("server didn't supply a full spnego negprot\n"));
1218 file_save("negprot.dat", cli->secblob.data, cli->secblob.length);
1221 /* there is 16 bytes of GUID before the real spnego packet starts */
1222 blob = data_blob(cli->secblob.data+16, cli->secblob.length-16);
1224 /* The server sent us the first part of the SPNEGO exchange in the
1225 * negprot reply. It is WRONG to depend on the principal sent in the
1226 * negprot reply, but right now we do it. If we don't receive one,
1227 * we try to best guess, then fall back to NTLM. */
1228 if (!spnego_parse_negTokenInit(blob, OIDs, &principal, NULL)) {
1229 data_blob_free(&blob);
1230 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1232 data_blob_free(&blob);
1234 /* make sure the server understands kerberos */
1235 for (i=0;OIDs[i];i++) {
1237 DEBUG(3,("got OID=%s\n", OIDs[i]));
1239 DEBUGADD(3,("got OID=%s\n", OIDs[i]));
1240 if (strcmp(OIDs[i], OID_KERBEROS5_OLD) == 0 ||
1241 strcmp(OIDs[i], OID_KERBEROS5) == 0) {
1242 cli->got_kerberos_mechanism = True;
1244 talloc_free(OIDs[i]);
1247 DEBUG(3,("got principal=%s\n", principal ? principal : "<null>"));
1249 status = cli_set_username(cli, user);
1250 if (!NT_STATUS_IS_OK(status)) {
1251 return ADS_ERROR_NT(status);
1255 /* If password is set we reauthenticate to kerberos server
1256 * and do not store results */
1258 if (cli->got_kerberos_mechanism && cli->use_kerberos) {
1261 if (pass && *pass) {
1264 use_in_memory_ccache();
1265 ret = kerberos_kinit_password(user, pass, 0 /* no time correction for now */, NULL);
1268 TALLOC_FREE(principal);
1269 DEBUG(0, ("Kinit failed: %s\n", error_message(ret)));
1270 if (cli->fallback_after_kerberos)
1272 return ADS_ERROR_KRB5(ret);
1276 /* If we get a bad principal, try to guess it if
1277 we have a valid host NetBIOS name.
1279 if (strequal(principal, ADS_IGNORE_PRINCIPAL)) {
1280 TALLOC_FREE(principal);
1283 if (principal == NULL &&
1284 !is_ipaddress(cli->desthost) &&
1285 !strequal(STAR_SMBSERVER,
1288 char *machine = NULL;
1290 DEBUG(3,("cli_session_setup_spnego: got a "
1291 "bad server principal, trying to guess ...\n"));
1293 host = strchr_m(cli->desthost, '.');
1295 /* We had a '.' in the name. */
1296 machine = SMB_STRNDUP(cli->desthost,
1297 host - cli->desthost);
1299 machine = SMB_STRDUP(cli->desthost);
1301 if (machine == NULL) {
1302 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
1306 realm = SMB_STRDUP(dest_realm);
1311 realm = kerberos_get_realm_from_hostname(cli->desthost);
1313 /* NetBIOS name - use our realm. */
1314 realm = kerberos_get_default_realm_from_ccache();
1318 if (realm && *realm) {
1321 principal = talloc_asprintf(talloc_tos(),
1326 /* NetBIOS name, use machine account. */
1327 principal = talloc_asprintf(talloc_tos(),
1335 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
1337 DEBUG(3,("cli_session_setup_spnego: guessed "
1338 "server principal=%s\n",
1339 principal ? principal : "<null>"));
1346 rc = cli_session_setup_kerberos(cli, principal,
1348 if (ADS_ERR_OK(rc) || !cli->fallback_after_kerberos) {
1349 TALLOC_FREE(principal);
1356 TALLOC_FREE(principal);
1360 account = talloc_strdup(talloc_tos(), user);
1362 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
1365 /* when falling back to ntlmssp while authenticating with a machine
1366 * account strip off the realm - gd */
1368 if ((p = strchr_m(user, '@')) != NULL) {
1369 account[PTR_DIFF(p,user)] = '\0';
1372 return ADS_ERROR_NT(cli_session_setup_ntlmssp(cli, account, pass, user_domain));
1375 /****************************************************************************
1376 Send a session setup. The username and workgroup is in UNIX character
1377 format and must be converted to DOS codepage format before sending. If the
1378 password is in plaintext, the same should be done.
1379 ****************************************************************************/
1381 NTSTATUS cli_session_setup(struct cli_state *cli,
1383 const char *pass, int passlen,
1384 const char *ntpass, int ntpasslen,
1385 const char *workgroup)
1391 fstrcpy(user2, user);
1400 /* allow for workgroups as part of the username */
1401 if ((p=strchr_m(user2,'\\')) || (p=strchr_m(user2,'/')) ||
1402 (p=strchr_m(user2,*lp_winbind_separator()))) {
1408 if (cli->protocol < PROTOCOL_LANMAN1) {
1409 return NT_STATUS_OK;
1412 /* now work out what sort of session setup we are going to
1413 do. I have split this into separate functions to make the
1414 flow a bit easier to understand (tridge) */
1416 /* if its an older server then we have to use the older request format */
1418 if (cli->protocol < PROTOCOL_NT1) {
1419 if (!lp_client_lanman_auth() && passlen != 24 && (*pass)) {
1420 DEBUG(1, ("Server requested LM password but 'client lanman auth'"
1422 return NT_STATUS_ACCESS_DENIED;
1425 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0 &&
1426 !lp_client_plaintext_auth() && (*pass)) {
1427 DEBUG(1, ("Server requested plaintext password but "
1428 "'client plaintext auth' is disabled\n"));
1429 return NT_STATUS_ACCESS_DENIED;
1432 return cli_session_setup_lanman2(cli, user, pass, passlen,
1436 /* if no user is supplied then we have to do an anonymous connection.
1437 passwords are ignored */
1439 if (!user || !*user)
1440 return cli_session_setup_guest(cli);
1442 /* if the server is share level then send a plaintext null
1443 password at this point. The password is sent in the tree
1446 if ((cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) == 0)
1447 return cli_session_setup_plaintext(cli, user, "", workgroup);
1449 /* if the server doesn't support encryption then we have to use
1450 plaintext. The second password is ignored */
1452 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0) {
1453 if (!lp_client_plaintext_auth() && (*pass)) {
1454 DEBUG(1, ("Server requested plaintext password but "
1455 "'client plaintext auth' is disabled\n"));
1456 return NT_STATUS_ACCESS_DENIED;
1458 return cli_session_setup_plaintext(cli, user, pass, workgroup);
1461 /* if the server supports extended security then use SPNEGO */
1463 if (cli->capabilities & CAP_EXTENDED_SECURITY) {
1464 ADS_STATUS status = cli_session_setup_spnego(cli, user, pass,
1466 if (!ADS_ERR_OK(status)) {
1467 DEBUG(3, ("SPNEGO login failed: %s\n", ads_errstr(status)));
1468 return ads_ntstatus(status);
1473 /* otherwise do a NT1 style session setup */
1474 status = cli_session_setup_nt1(cli, user, pass, passlen,
1475 ntpass, ntpasslen, workgroup);
1476 if (!NT_STATUS_IS_OK(status)) {
1477 DEBUG(3,("cli_session_setup: NT1 session setup "
1478 "failed: %s\n", nt_errstr(status)));
1483 if (strstr(cli->server_type, "Samba")) {
1484 cli->is_samba = True;
1487 return NT_STATUS_OK;
1490 /****************************************************************************
1492 *****************************************************************************/
1494 struct cli_ulogoff_state {
1495 struct cli_state *cli;
1499 static void cli_ulogoff_done(struct tevent_req *subreq);
1501 struct tevent_req *cli_ulogoff_send(TALLOC_CTX *mem_ctx,
1502 struct tevent_context *ev,
1503 struct cli_state *cli)
1505 struct tevent_req *req, *subreq;
1506 struct cli_ulogoff_state *state;
1508 req = tevent_req_create(mem_ctx, &state, struct cli_ulogoff_state);
1514 SCVAL(state->vwv+0, 0, 0xFF);
1515 SCVAL(state->vwv+1, 0, 0);
1516 SSVAL(state->vwv+2, 0, 0);
1518 subreq = cli_smb_send(state, ev, cli, SMBulogoffX, 0, 2, state->vwv,
1520 if (tevent_req_nomem(subreq, req)) {
1521 return tevent_req_post(req, ev);
1523 tevent_req_set_callback(subreq, cli_ulogoff_done, req);
1527 static void cli_ulogoff_done(struct tevent_req *subreq)
1529 struct tevent_req *req = tevent_req_callback_data(
1530 subreq, struct tevent_req);
1531 struct cli_ulogoff_state *state = tevent_req_data(
1532 req, struct cli_ulogoff_state);
1535 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
1536 if (!NT_STATUS_IS_OK(status)) {
1537 tevent_req_nterror(req, status);
1540 state->cli->vuid = -1;
1541 tevent_req_done(req);
1544 NTSTATUS cli_ulogoff_recv(struct tevent_req *req)
1546 return tevent_req_simple_recv_ntstatus(req);
1549 NTSTATUS cli_ulogoff(struct cli_state *cli)
1551 struct tevent_context *ev;
1552 struct tevent_req *req;
1553 NTSTATUS status = NT_STATUS_NO_MEMORY;
1555 if (cli_has_async_calls(cli)) {
1556 return NT_STATUS_INVALID_PARAMETER;
1558 ev = tevent_context_init(talloc_tos());
1562 req = cli_ulogoff_send(ev, ev, cli);
1566 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
1569 status = cli_ulogoff_recv(req);
1572 if (!NT_STATUS_IS_OK(status)) {
1573 cli_set_error(cli, status);
1578 /****************************************************************************
1580 ****************************************************************************/
1582 struct cli_tcon_andx_state {
1583 struct cli_state *cli;
1588 static void cli_tcon_andx_done(struct tevent_req *subreq);
1590 struct tevent_req *cli_tcon_andx_create(TALLOC_CTX *mem_ctx,
1591 struct event_context *ev,
1592 struct cli_state *cli,
1593 const char *share, const char *dev,
1594 const char *pass, int passlen,
1595 struct tevent_req **psmbreq)
1597 struct tevent_req *req, *subreq;
1598 struct cli_tcon_andx_state *state;
1606 req = tevent_req_create(mem_ctx, &state, struct cli_tcon_andx_state);
1613 fstrcpy(cli->share, share);
1615 /* in user level security don't send a password now */
1616 if (cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
1619 } else if (pass == NULL) {
1620 DEBUG(1, ("Server not using user level security and no "
1621 "password supplied.\n"));
1625 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) &&
1626 *pass && passlen != 24) {
1627 if (!lp_client_lanman_auth()) {
1628 DEBUG(1, ("Server requested LANMAN password "
1629 "(share-level security) but "
1630 "'client lanman auth' is disabled\n"));
1635 * Non-encrypted passwords - convert to DOS codepage before
1639 SMBencrypt(pass, cli->secblob.data, (uchar *)pword);
1641 if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL
1642 |NEGOTIATE_SECURITY_CHALLENGE_RESPONSE))
1644 if (!lp_client_plaintext_auth() && (*pass)) {
1645 DEBUG(1, ("Server requested plaintext "
1646 "password but 'client plaintext "
1647 "auth' is disabled\n"));
1652 * Non-encrypted passwords - convert to DOS codepage
1655 passlen = clistr_push(cli, pword, pass, sizeof(pword),
1657 if (passlen == -1) {
1658 DEBUG(1, ("clistr_push(pword) failed\n"));
1663 memcpy(pword, pass, passlen);
1668 SCVAL(vwv+0, 0, 0xFF);
1671 SSVAL(vwv+2, 0, TCONX_FLAG_EXTENDED_RESPONSE);
1672 SSVAL(vwv+3, 0, passlen);
1675 bytes = (uint8_t *)talloc_memdup(state, pword, passlen);
1677 bytes = talloc_array(state, uint8_t, 0);
1683 tmp = talloc_asprintf_strupper_m(talloc_tos(), "\\\\%s\\%s",
1684 cli->desthost, share);
1689 bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), tmp, strlen(tmp)+1,
1694 * Add the devicetype
1696 tmp = talloc_strdup_upper(talloc_tos(), dev);
1701 bytes = smb_bytes_push_str(bytes, false, tmp, strlen(tmp)+1, NULL);
1704 if (bytes == NULL) {
1709 state->bytes.iov_base = (void *)bytes;
1710 state->bytes.iov_len = talloc_get_size(bytes);
1712 subreq = cli_smb_req_create(state, ev, cli, SMBtconX, 0, 4, vwv,
1714 if (subreq == NULL) {
1718 tevent_req_set_callback(subreq, cli_tcon_andx_done, req);
1723 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
1724 return tevent_req_post(req, ev);
1727 struct tevent_req *cli_tcon_andx_send(TALLOC_CTX *mem_ctx,
1728 struct event_context *ev,
1729 struct cli_state *cli,
1730 const char *share, const char *dev,
1731 const char *pass, int passlen)
1733 struct tevent_req *req, *subreq;
1736 req = cli_tcon_andx_create(mem_ctx, ev, cli, share, dev, pass, passlen,
1741 if (subreq == NULL) {
1744 status = cli_smb_req_send(subreq);
1745 if (!NT_STATUS_IS_OK(status)) {
1746 tevent_req_nterror(req, status);
1747 return tevent_req_post(req, ev);
1752 static void cli_tcon_andx_done(struct tevent_req *subreq)
1754 struct tevent_req *req = tevent_req_callback_data(
1755 subreq, struct tevent_req);
1756 struct cli_tcon_andx_state *state = tevent_req_data(
1757 req, struct cli_tcon_andx_state);
1758 struct cli_state *cli = state->cli;
1767 status = cli_smb_recv(subreq, state, &in, 0, &wct, &vwv,
1768 &num_bytes, &bytes);
1769 TALLOC_FREE(subreq);
1770 if (!NT_STATUS_IS_OK(status)) {
1771 tevent_req_nterror(req, status);
1777 clistr_pull(inbuf, cli->dev, bytes, sizeof(fstring), num_bytes,
1778 STR_TERMINATE|STR_ASCII);
1780 if ((cli->protocol >= PROTOCOL_NT1) && (num_bytes == 3)) {
1781 /* almost certainly win95 - enable bug fixes */
1786 * Make sure that we have the optional support 16-bit field. WCT > 2.
1787 * Avoids issues when connecting to Win9x boxes sharing files
1790 cli->dfsroot = false;
1792 if ((wct > 2) && (cli->protocol >= PROTOCOL_LANMAN2)) {
1793 cli->dfsroot = ((SVAL(vwv+2, 0) & SMB_SHARE_IN_DFS) != 0);
1796 cli->cnum = SVAL(inbuf,smb_tid);
1797 tevent_req_done(req);
1800 NTSTATUS cli_tcon_andx_recv(struct tevent_req *req)
1802 return tevent_req_simple_recv_ntstatus(req);
1805 NTSTATUS cli_tcon_andx(struct cli_state *cli, const char *share,
1806 const char *dev, const char *pass, int passlen)
1808 TALLOC_CTX *frame = talloc_stackframe();
1809 struct event_context *ev;
1810 struct tevent_req *req;
1811 NTSTATUS status = NT_STATUS_OK;
1813 if (cli_has_async_calls(cli)) {
1815 * Can't use sync call while an async call is in flight
1817 status = NT_STATUS_INVALID_PARAMETER;
1821 ev = event_context_init(frame);
1823 status = NT_STATUS_NO_MEMORY;
1827 req = cli_tcon_andx_send(frame, ev, cli, share, dev, pass, passlen);
1829 status = NT_STATUS_NO_MEMORY;
1833 if (!tevent_req_poll(req, ev)) {
1834 status = map_nt_error_from_unix(errno);
1838 status = cli_tcon_andx_recv(req);
1841 if (!NT_STATUS_IS_OK(status)) {
1842 cli_set_error(cli, status);
1847 /****************************************************************************
1848 Send a tree disconnect.
1849 ****************************************************************************/
1851 struct cli_tdis_state {
1852 struct cli_state *cli;
1855 static void cli_tdis_done(struct tevent_req *subreq);
1857 struct tevent_req *cli_tdis_send(TALLOC_CTX *mem_ctx,
1858 struct tevent_context *ev,
1859 struct cli_state *cli)
1861 struct tevent_req *req, *subreq;
1862 struct cli_tdis_state *state;
1864 req = tevent_req_create(mem_ctx, &state, struct cli_tdis_state);
1870 subreq = cli_smb_send(state, ev, cli, SMBtdis, 0, 0, NULL, 0, NULL);
1871 if (tevent_req_nomem(subreq, req)) {
1872 return tevent_req_post(req, ev);
1874 tevent_req_set_callback(subreq, cli_tdis_done, req);
1878 static void cli_tdis_done(struct tevent_req *subreq)
1880 struct tevent_req *req = tevent_req_callback_data(
1881 subreq, struct tevent_req);
1882 struct cli_tdis_state *state = tevent_req_data(
1883 req, struct cli_tdis_state);
1886 status = cli_smb_recv(subreq, NULL, NULL, 0, NULL, NULL, NULL, NULL);
1887 TALLOC_FREE(subreq);
1888 if (!NT_STATUS_IS_OK(status)) {
1889 tevent_req_nterror(req, status);
1892 state->cli->cnum = -1;
1893 tevent_req_done(req);
1896 NTSTATUS cli_tdis_recv(struct tevent_req *req)
1898 return tevent_req_simple_recv_ntstatus(req);
1901 NTSTATUS cli_tdis(struct cli_state *cli)
1903 struct tevent_context *ev;
1904 struct tevent_req *req;
1905 NTSTATUS status = NT_STATUS_NO_MEMORY;
1907 if (cli_has_async_calls(cli)) {
1908 return NT_STATUS_INVALID_PARAMETER;
1910 ev = tevent_context_init(talloc_tos());
1914 req = cli_tdis_send(ev, ev, cli);
1918 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
1921 status = cli_tdis_recv(req);
1924 if (!NT_STATUS_IS_OK(status)) {
1925 cli_set_error(cli, status);
1930 /****************************************************************************
1931 Send a negprot command.
1932 ****************************************************************************/
1934 void cli_negprot_sendsync(struct cli_state *cli)
1939 if (cli->protocol < PROTOCOL_NT1)
1940 cli->use_spnego = False;
1942 memset(cli->outbuf,'\0',smb_size);
1944 /* setup the protocol strings */
1945 cli_set_message(cli->outbuf,0,0,True);
1947 p = smb_buf(cli->outbuf);
1948 for (numprots=0; numprots < ARRAY_SIZE(prots); numprots++) {
1949 if (prots[numprots].prot > cli->protocol) {
1953 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
1956 SCVAL(cli->outbuf,smb_com,SMBnegprot);
1957 cli_setup_bcc(cli, p);
1958 cli_setup_packet(cli);
1960 SCVAL(smb_buf(cli->outbuf),0,2);
1965 /****************************************************************************
1966 Send a negprot command.
1967 ****************************************************************************/
1969 struct cli_negprot_state {
1970 struct cli_state *cli;
1973 static void cli_negprot_done(struct tevent_req *subreq);
1975 struct tevent_req *cli_negprot_send(TALLOC_CTX *mem_ctx,
1976 struct event_context *ev,
1977 struct cli_state *cli)
1979 struct tevent_req *req, *subreq;
1980 struct cli_negprot_state *state;
1981 uint8_t *bytes = NULL;
1985 req = tevent_req_create(mem_ctx, &state, struct cli_negprot_state);
1991 if (cli->protocol < PROTOCOL_NT1)
1992 cli->use_spnego = False;
1994 /* setup the protocol strings */
1995 for (numprots=0; numprots < ARRAY_SIZE(prots); numprots++) {
1997 if (prots[numprots].prot > cli->protocol) {
2000 bytes = (uint8_t *)talloc_append_blob(
2001 state, bytes, data_blob_const(&c, sizeof(c)));
2002 if (tevent_req_nomem(bytes, req)) {
2003 return tevent_req_post(req, ev);
2005 bytes = smb_bytes_push_str(bytes, false,
2006 prots[numprots].name,
2007 strlen(prots[numprots].name)+1,
2009 if (tevent_req_nomem(bytes, req)) {
2010 return tevent_req_post(req, ev);
2017 subreq = cli_smb_send(state, ev, cli, SMBnegprot, 0, 0, NULL,
2018 talloc_get_size(bytes), bytes);
2021 if (tevent_req_nomem(subreq, req)) {
2022 return tevent_req_post(req, ev);
2024 tevent_req_set_callback(subreq, cli_negprot_done, req);
2028 static void cli_negprot_done(struct tevent_req *subreq)
2030 struct tevent_req *req = tevent_req_callback_data(
2031 subreq, struct tevent_req);
2032 struct cli_negprot_state *state = tevent_req_data(
2033 req, struct cli_negprot_state);
2034 struct cli_state *cli = state->cli;
2043 status = cli_smb_recv(subreq, state, &inbuf, 1, &wct, &vwv,
2044 &num_bytes, &bytes);
2045 TALLOC_FREE(subreq);
2046 if (!NT_STATUS_IS_OK(status)) {
2047 tevent_req_nterror(req, status);
2051 protnum = SVAL(vwv, 0);
2053 if ((protnum >= ARRAY_SIZE(prots))
2054 || (prots[protnum].prot > cli->protocol)) {
2055 tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
2059 cli->protocol = prots[protnum].prot;
2061 if ((cli->protocol < PROTOCOL_NT1) &&
2062 client_is_signing_mandatory(cli)) {
2063 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
2064 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
2068 if (cli->protocol >= PROTOCOL_NT1) {
2070 bool negotiated_smb_signing = false;
2073 cli->sec_mode = CVAL(vwv + 1, 0);
2074 cli->max_mux = SVAL(vwv + 1, 1);
2075 cli->max_xmit = IVAL(vwv + 3, 1);
2076 cli->sesskey = IVAL(vwv + 7, 1);
2077 cli->serverzone = SVALS(vwv + 15, 1);
2078 cli->serverzone *= 60;
2079 /* this time arrives in real GMT */
2080 ts = interpret_long_date(((char *)(vwv+11))+1);
2081 cli->servertime = ts.tv_sec;
2082 cli->secblob = data_blob(bytes, num_bytes);
2083 cli->capabilities = IVAL(vwv + 9, 1);
2084 if (cli->capabilities & CAP_RAW_MODE) {
2085 cli->readbraw_supported = True;
2086 cli->writebraw_supported = True;
2088 /* work out if they sent us a workgroup */
2089 if (!(cli->capabilities & CAP_EXTENDED_SECURITY) &&
2090 smb_buflen(cli->inbuf) > 8) {
2091 clistr_pull(cli->inbuf, cli->server_domain,
2092 bytes+8, sizeof(cli->server_domain),
2094 STR_UNICODE|STR_NOALIGN);
2098 * As signing is slow we only turn it on if either the client or
2099 * the server require it. JRA.
2102 if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_REQUIRED) {
2103 /* Fail if server says signing is mandatory and we don't want to support it. */
2104 if (!client_is_signing_allowed(cli)) {
2105 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
2106 tevent_req_nterror(req,
2107 NT_STATUS_ACCESS_DENIED);
2110 negotiated_smb_signing = true;
2111 } else if (client_is_signing_mandatory(cli) && client_is_signing_allowed(cli)) {
2112 /* Fail if client says signing is mandatory and the server doesn't support it. */
2113 if (!(cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED)) {
2114 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
2115 tevent_req_nterror(req,
2116 NT_STATUS_ACCESS_DENIED);
2119 negotiated_smb_signing = true;
2120 } else if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
2121 negotiated_smb_signing = true;
2124 if (negotiated_smb_signing) {
2125 cli_set_signing_negotiated(cli);
2128 if (cli->capabilities & (CAP_LARGE_READX|CAP_LARGE_WRITEX)) {
2129 SAFE_FREE(cli->outbuf);
2130 SAFE_FREE(cli->inbuf);
2131 cli->outbuf = (char *)SMB_MALLOC(CLI_SAMBA_MAX_LARGE_READX_SIZE+LARGE_WRITEX_HDR_SIZE+SAFETY_MARGIN);
2132 cli->inbuf = (char *)SMB_MALLOC(CLI_SAMBA_MAX_LARGE_READX_SIZE+LARGE_WRITEX_HDR_SIZE+SAFETY_MARGIN);
2133 cli->bufsize = CLI_SAMBA_MAX_LARGE_READX_SIZE + LARGE_WRITEX_HDR_SIZE;
2136 } else if (cli->protocol >= PROTOCOL_LANMAN1) {
2137 cli->use_spnego = False;
2138 cli->sec_mode = SVAL(vwv + 1, 0);
2139 cli->max_xmit = SVAL(vwv + 2, 0);
2140 cli->max_mux = SVAL(vwv + 3, 0);
2141 cli->sesskey = IVAL(vwv + 6, 0);
2142 cli->serverzone = SVALS(vwv + 10, 0);
2143 cli->serverzone *= 60;
2144 /* this time is converted to GMT by make_unix_date */
2145 cli->servertime = cli_make_unix_date(
2146 cli, (char *)(vwv + 8));
2147 cli->readbraw_supported = ((SVAL(vwv + 5, 0) & 0x1) != 0);
2148 cli->writebraw_supported = ((SVAL(vwv + 5, 0) & 0x2) != 0);
2149 cli->secblob = data_blob(bytes, num_bytes);
2151 /* the old core protocol */
2152 cli->use_spnego = False;
2154 cli->serverzone = get_time_zone(time(NULL));
2157 cli->max_xmit = MIN(cli->max_xmit, CLI_BUFFER_SIZE);
2159 /* a way to force ascii SMB */
2160 if (getenv("CLI_FORCE_ASCII"))
2161 cli->capabilities &= ~CAP_UNICODE;
2163 tevent_req_done(req);
2166 NTSTATUS cli_negprot_recv(struct tevent_req *req)
2168 return tevent_req_simple_recv_ntstatus(req);
2171 NTSTATUS cli_negprot(struct cli_state *cli)
2173 TALLOC_CTX *frame = talloc_stackframe();
2174 struct event_context *ev;
2175 struct tevent_req *req;
2176 NTSTATUS status = NT_STATUS_OK;
2178 if (cli_has_async_calls(cli)) {
2180 * Can't use sync call while an async call is in flight
2182 status = NT_STATUS_INVALID_PARAMETER;
2186 ev = event_context_init(frame);
2188 status = NT_STATUS_NO_MEMORY;
2192 req = cli_negprot_send(frame, ev, cli);
2194 status = NT_STATUS_NO_MEMORY;
2198 if (!tevent_req_poll(req, ev)) {
2199 status = map_nt_error_from_unix(errno);
2203 status = cli_negprot_recv(req);
2206 if (!NT_STATUS_IS_OK(status)) {
2207 cli_set_error(cli, status);
2212 /****************************************************************************
2213 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
2214 ****************************************************************************/
2216 bool cli_session_request(struct cli_state *cli,
2217 struct nmb_name *calling, struct nmb_name *called)
2223 /* 445 doesn't have session request */
2224 if (cli->port == 445)
2227 memcpy(&(cli->calling), calling, sizeof(*calling));
2228 memcpy(&(cli->called ), called , sizeof(*called ));
2230 /* put in the destination name */
2232 tmp = name_mangle(talloc_tos(), cli->called.name,
2233 cli->called.name_type);
2238 p = cli->outbuf+len;
2239 memcpy(p, tmp, name_len(tmp));
2240 len += name_len(tmp);
2245 tmp = name_mangle(talloc_tos(), cli->calling.name,
2246 cli->calling.name_type);
2251 p = cli->outbuf+len;
2252 memcpy(p, tmp, name_len(tmp));
2253 len += name_len(tmp);
2256 /* send a session request (RFC 1002) */
2257 /* setup the packet length
2258 * Remove four bytes from the length count, since the length
2259 * field in the NBT Session Service header counts the number
2260 * of bytes which follow. The cli_send_smb() function knows
2261 * about this and accounts for those four bytes.
2265 _smb_setlen(cli->outbuf,len);
2266 SCVAL(cli->outbuf,0,0x81);
2269 DEBUG(5,("Sent session request\n"));
2271 if (!cli_receive_smb(cli))
2274 if (CVAL(cli->inbuf,0) == 0x84) {
2275 /* C. Hoch 9/14/95 Start */
2276 /* For information, here is the response structure.
2277 * We do the byte-twiddling to for portability.
2278 struct RetargetResponse{
2280 unsigned char flags;
2286 uint16_t port = (CVAL(cli->inbuf,8)<<8)+CVAL(cli->inbuf,9);
2287 struct in_addr dest_ip;
2290 /* SESSION RETARGET */
2291 putip((char *)&dest_ip,cli->inbuf+4);
2292 in_addr_to_sockaddr_storage(&cli->dest_ss, dest_ip);
2294 status = open_socket_out(&cli->dest_ss, port,
2295 LONG_CONNECT_TIMEOUT, &cli->fd);
2296 if (!NT_STATUS_IS_OK(status)) {
2300 DEBUG(3,("Retargeted\n"));
2302 set_socket_options(cli->fd, lp_socket_options());
2309 DEBUG(0,("Retarget recursion - failing\n"));
2313 ret = cli_session_request(cli, calling, called);
2317 } /* C. Hoch 9/14/95 End */
2319 if (CVAL(cli->inbuf,0) != 0x82) {
2320 /* This is the wrong place to put the error... JRA. */
2321 cli->rap_error = CVAL(cli->inbuf,4);
2331 static void smb_sock_connected(struct tevent_req *req)
2333 struct fd_struct *pfd = tevent_req_callback_data(
2334 req, struct fd_struct);
2338 status = open_socket_out_defer_recv(req, &fd);
2339 if (NT_STATUS_IS_OK(status)) {
2344 static NTSTATUS open_smb_socket(const struct sockaddr_storage *pss,
2345 uint16_t *port, int timeout, int *pfd)
2347 struct event_context *ev;
2348 struct tevent_req *r139, *r445;
2349 struct fd_struct *fd139, *fd445;
2350 NTSTATUS status = NT_STATUS_NO_MEMORY;
2353 return open_socket_out(pss, *port, timeout, pfd);
2356 ev = event_context_init(talloc_tos());
2358 return NT_STATUS_NO_MEMORY;
2361 fd139 = talloc(ev, struct fd_struct);
2362 if (fd139 == NULL) {
2367 fd445 = talloc(ev, struct fd_struct);
2368 if (fd445 == NULL) {
2373 r445 = open_socket_out_defer_send(ev, ev, timeval_set(0, 0),
2375 r139 = open_socket_out_defer_send(ev, ev, timeval_set(0, 3000),
2377 if ((r445 == NULL) || (r139 == NULL)) {
2380 tevent_req_set_callback(r445, smb_sock_connected, fd445);
2381 tevent_req_set_callback(r139, smb_sock_connected, fd139);
2383 while ((fd445->fd == -1) && (fd139->fd == -1)
2384 && (tevent_req_is_in_progress(r139)
2385 || tevent_req_is_in_progress(r445))) {
2386 event_loop_once(ev);
2389 if ((fd139->fd != -1) && (fd445->fd != -1)) {
2394 if (fd445->fd != -1) {
2397 status = NT_STATUS_OK;
2400 if (fd139->fd != -1) {
2403 status = NT_STATUS_OK;
2407 status = open_socket_out_defer_recv(r445, &fd445->fd);
2413 /****************************************************************************
2414 Open the client sockets.
2415 ****************************************************************************/
2417 NTSTATUS cli_connect(struct cli_state *cli,
2419 struct sockaddr_storage *dest_ss)
2422 int name_type = 0x20;
2423 TALLOC_CTX *frame = talloc_stackframe();
2424 unsigned int num_addrs = 0;
2426 struct sockaddr_storage *ss_arr = NULL;
2429 /* reasonable default hostname */
2431 host = STAR_SMBSERVER;
2434 fstrcpy(cli->desthost, host);
2436 /* allow hostnames of the form NAME#xx and do a netbios lookup */
2437 if ((p = strchr(cli->desthost, '#'))) {
2438 name_type = strtol(p+1, NULL, 16);
2442 if (!dest_ss || is_zero_addr((struct sockaddr *)dest_ss)) {
2443 NTSTATUS status =resolve_name_list(frame,
2448 if (!NT_STATUS_IS_OK(status)) {
2450 return NT_STATUS_BAD_NETWORK_NAME;
2454 ss_arr = TALLOC_P(frame, struct sockaddr_storage);
2457 return NT_STATUS_NO_MEMORY;
2462 for (i = 0; i < num_addrs; i++) {
2463 cli->dest_ss = ss_arr[i];
2464 if (getenv("LIBSMB_PROG")) {
2465 cli->fd = sock_exec(getenv("LIBSMB_PROG"));
2467 uint16_t port = cli->port;
2469 status = open_smb_socket(&cli->dest_ss, &port,
2470 cli->timeout, &cli->fd);
2471 if (NT_STATUS_IS_OK(status)) {
2475 if (cli->fd == -1) {
2476 char addr[INET6_ADDRSTRLEN];
2477 print_sockaddr(addr, sizeof(addr), &ss_arr[i]);
2478 DEBUG(2,("Error connecting to %s (%s)\n",
2479 dest_ss?addr:host,strerror(errno)));
2481 /* Exit from loop on first connection. */
2486 if (cli->fd == -1) {
2488 return map_nt_error_from_unix(errno);
2492 *dest_ss = cli->dest_ss;
2495 set_socket_options(cli->fd, lp_socket_options());
2498 return NT_STATUS_OK;
2502 establishes a connection to after the negprot.
2503 @param output_cli A fully initialised cli structure, non-null only on success
2504 @param dest_host The netbios name of the remote host
2505 @param dest_ss (optional) The the destination IP, NULL for name based lookup
2506 @param port (optional) The destination port (0 for default)
2507 @param retry bool. Did this connection fail with a retryable error ?
2510 NTSTATUS cli_start_connection(struct cli_state **output_cli,
2511 const char *my_name,
2512 const char *dest_host,
2513 struct sockaddr_storage *dest_ss, int port,
2514 int signing_state, int flags,
2518 struct nmb_name calling;
2519 struct nmb_name called;
2520 struct cli_state *cli;
2521 struct sockaddr_storage ss;
2527 my_name = global_myname();
2529 if (!(cli = cli_initialise_ex(signing_state))) {
2530 return NT_STATUS_NO_MEMORY;
2533 make_nmb_name(&calling, my_name, 0x0);
2534 make_nmb_name(&called , dest_host, 0x20);
2536 cli_set_port(cli, port);
2537 cli_set_timeout(cli, 10000); /* 10 seconds. */
2547 DEBUG(3,("Connecting to host=%s\n", dest_host));
2549 nt_status = cli_connect(cli, dest_host, &ss);
2550 if (!NT_STATUS_IS_OK(nt_status)) {
2551 char addr[INET6_ADDRSTRLEN];
2552 print_sockaddr(addr, sizeof(addr), &ss);
2553 DEBUG(1,("cli_start_connection: failed to connect to %s (%s). Error %s\n",
2554 nmb_namestr(&called), addr, nt_errstr(nt_status) ));
2562 if (!cli_session_request(cli, &calling, &called)) {
2564 DEBUG(1,("session request to %s failed (%s)\n",
2565 called.name, cli_errstr(cli)));
2566 if ((p=strchr(called.name, '.')) && !is_ipaddress(called.name)) {
2570 if (strcmp(called.name, STAR_SMBSERVER)) {
2571 make_nmb_name(&called , STAR_SMBSERVER, 0x20);
2574 return NT_STATUS_BAD_NETWORK_NAME;
2577 if (flags & CLI_FULL_CONNECTION_DONT_SPNEGO)
2578 cli->use_spnego = False;
2579 else if (flags & CLI_FULL_CONNECTION_USE_KERBEROS)
2580 cli->use_kerberos = True;
2582 if ((flags & CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS) &&
2583 cli->use_kerberos) {
2584 cli->fallback_after_kerberos = true;
2586 if (flags & CLI_FULL_CONNECTION_USE_CCACHE) {
2587 cli->use_ccache = true;
2590 nt_status = cli_negprot(cli);
2591 if (!NT_STATUS_IS_OK(nt_status)) {
2592 DEBUG(1, ("failed negprot: %s\n", nt_errstr(nt_status)));
2598 return NT_STATUS_OK;
2603 establishes a connection right up to doing tconX, password specified.
2604 @param output_cli A fully initialised cli structure, non-null only on success
2605 @param dest_host The netbios name of the remote host
2606 @param dest_ip (optional) The the destination IP, NULL for name based lookup
2607 @param port (optional) The destination port (0 for default)
2608 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
2609 @param service_type The 'type' of serivice.
2610 @param user Username, unix string
2611 @param domain User's domain
2612 @param password User's password, unencrypted unix string.
2613 @param retry bool. Did this connection fail with a retryable error ?
2616 NTSTATUS cli_full_connection(struct cli_state **output_cli,
2617 const char *my_name,
2618 const char *dest_host,
2619 struct sockaddr_storage *dest_ss, int port,
2620 const char *service, const char *service_type,
2621 const char *user, const char *domain,
2622 const char *password, int flags,
2627 struct cli_state *cli = NULL;
2628 int pw_len = password ? strlen(password)+1 : 0;
2632 if (password == NULL) {
2636 nt_status = cli_start_connection(&cli, my_name, dest_host,
2637 dest_ss, port, signing_state,
2640 if (!NT_STATUS_IS_OK(nt_status)) {
2644 cli->use_oplocks = ((flags & CLI_FULL_CONNECTION_OPLOCKS) != 0);
2645 cli->use_level_II_oplocks =
2646 ((flags & CLI_FULL_CONNECTION_LEVEL_II_OPLOCKS) != 0);
2648 nt_status = cli_session_setup(cli, user, password, pw_len, password,
2650 if (!NT_STATUS_IS_OK(nt_status)) {
2652 if (!(flags & CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK)) {
2653 DEBUG(1,("failed session setup with %s\n",
2654 nt_errstr(nt_status)));
2659 nt_status = cli_session_setup(cli, "", "", 0, "", 0, domain);
2660 if (!NT_STATUS_IS_OK(nt_status)) {
2661 DEBUG(1,("anonymous failed session setup with %s\n",
2662 nt_errstr(nt_status)));
2669 nt_status = cli_tcon_andx(cli, service, service_type, password,
2671 if (!NT_STATUS_IS_OK(nt_status)) {
2672 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status)));
2674 if (NT_STATUS_IS_OK(nt_status)) {
2675 nt_status = NT_STATUS_UNSUCCESSFUL;
2681 nt_status = cli_init_creds(cli, user, domain, password);
2682 if (!NT_STATUS_IS_OK(nt_status)) {
2688 return NT_STATUS_OK;
2691 /****************************************************************************
2692 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
2693 ****************************************************************************/
2695 bool attempt_netbios_session_request(struct cli_state **ppcli, const char *srchost, const char *desthost,
2696 struct sockaddr_storage *pdest_ss)
2698 struct nmb_name calling, called;
2700 make_nmb_name(&calling, srchost, 0x0);
2703 * If the called name is an IP address
2704 * then use *SMBSERVER immediately.
2707 if(is_ipaddress(desthost)) {
2708 make_nmb_name(&called, STAR_SMBSERVER, 0x20);
2710 make_nmb_name(&called, desthost, 0x20);
2713 if (!cli_session_request(*ppcli, &calling, &called)) {
2715 struct nmb_name smbservername;
2717 make_nmb_name(&smbservername, STAR_SMBSERVER, 0x20);
2720 * If the name wasn't *SMBSERVER then
2721 * try with *SMBSERVER if the first name fails.
2724 if (nmb_name_equal(&called, &smbservername)) {
2727 * The name used was *SMBSERVER, don't bother with another name.
2730 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
2731 with error %s.\n", desthost, cli_errstr(*ppcli) ));
2736 cli_shutdown(*ppcli);
2738 *ppcli = cli_initialise();
2740 /* Out of memory... */
2744 status = cli_connect(*ppcli, desthost, pdest_ss);
2745 if (!NT_STATUS_IS_OK(status) ||
2746 !cli_session_request(*ppcli, &calling, &smbservername)) {
2747 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
2748 name *SMBSERVER with error %s\n", desthost, cli_errstr(*ppcli) ));
2756 /****************************************************************************
2757 Send an old style tcon.
2758 ****************************************************************************/
2759 NTSTATUS cli_raw_tcon(struct cli_state *cli,
2760 const char *service, const char *pass, const char *dev,
2761 uint16 *max_xmit, uint16 *tid)
2765 if (!lp_client_plaintext_auth() && (*pass)) {
2766 DEBUG(1, ("Server requested plaintext password but 'client "
2767 "plaintext auth' is disabled\n"));
2768 return NT_STATUS_ACCESS_DENIED;
2771 memset(cli->outbuf,'\0',smb_size);
2772 memset(cli->inbuf,'\0',smb_size);
2774 cli_set_message(cli->outbuf, 0, 0, True);
2775 SCVAL(cli->outbuf,smb_com,SMBtcon);
2776 cli_setup_packet(cli);
2778 p = smb_buf(cli->outbuf);
2779 *p++ = 4; p += clistr_push(cli, p, service, -1, STR_TERMINATE | STR_NOALIGN);
2780 *p++ = 4; p += clistr_push(cli, p, pass, -1, STR_TERMINATE | STR_NOALIGN);
2781 *p++ = 4; p += clistr_push(cli, p, dev, -1, STR_TERMINATE | STR_NOALIGN);
2783 cli_setup_bcc(cli, p);
2786 if (!cli_receive_smb(cli)) {
2787 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
2790 if (cli_is_error(cli)) {
2791 return cli_nt_error(cli);
2794 *max_xmit = SVAL(cli->inbuf, smb_vwv0);
2795 *tid = SVAL(cli->inbuf, smb_vwv1);
2797 return NT_STATUS_OK;
2800 /* Return a cli_state pointing at the IPC$ share for the given server */
2802 struct cli_state *get_ipc_connect(char *server,
2803 struct sockaddr_storage *server_ss,
2804 const struct user_auth_info *user_info)
2806 struct cli_state *cli;
2808 uint32_t flags = CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK;
2810 if (user_info->use_kerberos) {
2811 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
2814 nt_status = cli_full_connection(&cli, NULL, server, server_ss, 0, "IPC$", "IPC",
2815 user_info->username ? user_info->username : "",
2817 user_info->password ? user_info->password : "",
2821 if (NT_STATUS_IS_OK(nt_status)) {
2823 } else if (is_ipaddress(server)) {
2824 /* windows 9* needs a correct NMB name for connections */
2825 fstring remote_name;
2827 if (name_status_find("*", 0, 0, server_ss, remote_name)) {
2828 cli = get_ipc_connect(remote_name, server_ss, user_info);
2837 * Given the IP address of a master browser on the network, return its
2838 * workgroup and connect to it.
2840 * This function is provided to allow additional processing beyond what
2841 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
2842 * browsers and obtain each master browsers' list of domains (in case the
2843 * first master browser is recently on the network and has not yet
2844 * synchronized with other master browsers and therefore does not yet have the
2845 * entire network browse list)
2848 struct cli_state *get_ipc_connect_master_ip(TALLOC_CTX *ctx,
2849 struct ip_service *mb_ip,
2850 const struct user_auth_info *user_info,
2851 char **pp_workgroup_out)
2853 char addr[INET6_ADDRSTRLEN];
2855 struct cli_state *cli;
2856 struct sockaddr_storage server_ss;
2858 *pp_workgroup_out = NULL;
2860 print_sockaddr(addr, sizeof(addr), &mb_ip->ss);
2861 DEBUG(99, ("Looking up name of master browser %s\n",
2865 * Do a name status query to find out the name of the master browser.
2866 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
2867 * master browser will not respond to a wildcard query (or, at least,
2868 * an NT4 server acting as the domain master browser will not).
2870 * We might be able to use ONLY the query on MSBROWSE, but that's not
2871 * yet been tested with all Windows versions, so until it is, leave
2872 * the original wildcard query as the first choice and fall back to
2873 * MSBROWSE if the wildcard query fails.
2875 if (!name_status_find("*", 0, 0x1d, &mb_ip->ss, name) &&
2876 !name_status_find(MSBROWSE, 1, 0x1d, &mb_ip->ss, name)) {
2878 DEBUG(99, ("Could not retrieve name status for %s\n",
2883 if (!find_master_ip(name, &server_ss)) {
2884 DEBUG(99, ("Could not find master ip for %s\n", name));
2888 *pp_workgroup_out = talloc_strdup(ctx, name);
2890 DEBUG(4, ("found master browser %s, %s\n", name, addr));
2892 print_sockaddr(addr, sizeof(addr), &server_ss);
2893 cli = get_ipc_connect(addr, &server_ss, user_info);
2899 * Return the IP address and workgroup of a master browser on the network, and
2903 struct cli_state *get_ipc_connect_master_ip_bcast(TALLOC_CTX *ctx,
2904 const struct user_auth_info *user_info,
2905 char **pp_workgroup_out)
2907 struct ip_service *ip_list;
2908 struct cli_state *cli;
2911 *pp_workgroup_out = NULL;
2913 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
2915 /* Go looking for workgroups by broadcasting on the local network */
2917 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE, 1, &ip_list,
2919 DEBUG(99, ("No master browsers responded\n"));
2923 for (i = 0; i < count; i++) {
2924 char addr[INET6_ADDRSTRLEN];
2925 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
2926 DEBUG(99, ("Found master browser %s\n", addr));
2928 cli = get_ipc_connect_master_ip(ctx, &ip_list[i],
2929 user_info, pp_workgroup_out);