2 Unix SMB/CIFS implementation.
3 client connect/disconnect routines
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Gerald (Jerry) Carter 2004
6 Copyright (C) Jeremy Allison 2007-2009
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "libsmb/libsmb.h"
24 #include "libsmb/clirap.h"
27 #include "libsmb/nmblib.h"
28 #include "../libcli/smb/smbXcli_base.h"
30 /********************************************************************
33 DFS paths are *always* of the form \server\share\<pathname> (the \ characters
34 are not C escaped here).
36 - but if we're using POSIX paths then <pathname> may contain
37 '/' separators, not '\\' separators. So cope with '\\' or '/'
38 as a separator when looking at the pathname part.... JRA.
39 ********************************************************************/
41 /********************************************************************
42 Ensure a connection is encrypted.
43 ********************************************************************/
45 NTSTATUS
cli_cm_force_encryption(struct cli_state
*c
,
49 const char *sharename
)
53 if (smbXcli_conn_protocol(c
->conn
) >= PROTOCOL_SMB2_02
) {
54 status
= smb2cli_session_encryption_on(c
->smb2
.session
);
55 if (NT_STATUS_EQUAL(status
,NT_STATUS_NOT_SUPPORTED
)) {
56 d_printf("Encryption required and "
57 "server doesn't support "
58 "SMB3 encryption - failing connect\n");
59 } else if (!NT_STATUS_IS_OK(status
)) {
60 d_printf("Encryption required and "
61 "setup failed with error %s.\n",
67 status
= cli_force_encryption(c
,
72 if (NT_STATUS_EQUAL(status
,NT_STATUS_NOT_SUPPORTED
)) {
73 d_printf("Encryption required and "
74 "server that doesn't support "
75 "UNIX extensions - failing connect\n");
76 } else if (NT_STATUS_EQUAL(status
,NT_STATUS_UNKNOWN_REVISION
)) {
77 d_printf("Encryption required and "
78 "can't get UNIX CIFS extensions "
79 "version from server.\n");
80 } else if (NT_STATUS_EQUAL(status
,NT_STATUS_UNSUPPORTED_COMPRESSION
)) {
81 d_printf("Encryption required and "
82 "share %s doesn't support "
83 "encryption.\n", sharename
);
84 } else if (!NT_STATUS_IS_OK(status
)) {
85 d_printf("Encryption required and "
86 "setup failed with error %s.\n",
93 /********************************************************************
94 Return a connection to a server.
95 ********************************************************************/
97 static NTSTATUS
do_connect(TALLOC_CTX
*ctx
,
100 const struct user_auth_info
*auth_info
,
106 struct cli_state
**pcli
)
108 struct cli_state
*c
= NULL
;
111 char *newserver
, *newshare
;
112 const char *username
;
113 const char *password
;
117 /* make a copy so we don't modify the global string 'service' */
118 servicename
= talloc_strdup(ctx
,share
);
120 return NT_STATUS_NO_MEMORY
;
122 sharename
= servicename
;
123 if (*sharename
== '\\') {
125 if (server
== NULL
) {
128 sharename
= strchr_m(sharename
,'\\');
130 return NT_STATUS_NO_MEMORY
;
135 if (server
== NULL
) {
136 return NT_STATUS_INVALID_PARAMETER
;
139 if (get_cmdline_auth_info_use_kerberos(auth_info
)) {
140 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
142 if (get_cmdline_auth_info_fallback_after_kerberos(auth_info
)) {
143 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
145 if (get_cmdline_auth_info_use_ccache(auth_info
)) {
146 flags
|= CLI_FULL_CONNECTION_USE_CCACHE
;
148 if (get_cmdline_auth_info_use_pw_nt_hash(auth_info
)) {
149 flags
|= CLI_FULL_CONNECTION_USE_NT_HASH
;
152 status
= cli_connect_nb(
153 server
, NULL
, port
, name_type
, NULL
,
154 get_cmdline_auth_info_signing_state(auth_info
),
157 if (!NT_STATUS_IS_OK(status
)) {
158 d_printf("Connection to %s failed (Error %s)\n",
164 if (max_protocol
== 0) {
165 max_protocol
= PROTOCOL_NT1
;
167 DEBUG(4,(" session request ok\n"));
169 status
= smbXcli_negprot(c
->conn
, c
->timeout
,
170 lp_client_min_protocol(),
173 if (!NT_STATUS_IS_OK(status
)) {
174 d_printf("protocol negotiation failed: %s\n",
180 if (smbXcli_conn_protocol(c
->conn
) >= PROTOCOL_SMB2_02
) {
181 /* Ensure we ask for some initial credits. */
182 smb2cli_conn_set_max_credits(c
->conn
, DEFAULT_SMB2_MAX_CREDITS
);
185 username
= get_cmdline_auth_info_username(auth_info
);
186 password
= get_cmdline_auth_info_password(auth_info
);
188 status
= cli_session_setup(c
, username
,
189 password
, strlen(password
),
190 password
, strlen(password
),
192 if (!NT_STATUS_IS_OK(status
)) {
193 /* If a password was not supplied then
194 * try again with a null username. */
195 if (password
[0] || !username
[0] ||
196 get_cmdline_auth_info_use_kerberos(auth_info
) ||
197 !NT_STATUS_IS_OK(status
= cli_session_setup(c
, "",
201 d_printf("session setup failed: %s\n",
203 if (NT_STATUS_EQUAL(status
,
204 NT_STATUS_MORE_PROCESSING_REQUIRED
))
205 d_printf("did you forget to run kinit?\n");
209 d_printf("Anonymous login successful\n");
210 status
= cli_set_username(c
, "");
212 status
= cli_set_username(c
, username
);
215 if (!NT_STATUS_IS_OK(status
)) {
216 DEBUG(10,("cli_init_creds() failed: %s\n", nt_errstr(status
)));
221 if ( show_sessetup
) {
222 if (*c
->server_domain
) {
223 DEBUG(0,("Domain=[%s] OS=[%s] Server=[%s]\n",
224 c
->server_domain
,c
->server_os
,c
->server_type
));
225 } else if (*c
->server_os
|| *c
->server_type
) {
226 DEBUG(0,("OS=[%s] Server=[%s]\n",
227 c
->server_os
,c
->server_type
));
230 DEBUG(4,(" session setup ok\n"));
232 /* here's the fun part....to support 'msdfs proxy' shares
233 (on Samba or windows) we have to issues a TRANS_GET_DFS_REFERRAL
234 here before trying to connect to the original share.
235 cli_check_msdfs_proxy() will fail if it is a normal share. */
237 if (smbXcli_conn_dfs_supported(c
->conn
) &&
238 cli_check_msdfs_proxy(ctx
, c
, sharename
,
239 &newserver
, &newshare
,
245 return do_connect(ctx
, newserver
,
246 newshare
, auth_info
, false,
247 force_encrypt
, max_protocol
,
248 port
, name_type
, pcli
);
251 /* must be a normal share */
253 status
= cli_tree_connect(c
, sharename
, "?????",
254 password
, strlen(password
)+1);
255 if (!NT_STATUS_IS_OK(status
)) {
256 d_printf("tree connect failed: %s\n", nt_errstr(status
));
262 status
= cli_cm_force_encryption(c
,
267 if (!NT_STATUS_IS_OK(status
)) {
273 DEBUG(4,(" tconx ok\n"));
278 /****************************************************************************
279 ****************************************************************************/
281 static void cli_set_mntpoint(struct cli_state
*cli
, const char *mnt
)
283 TALLOC_CTX
*frame
= talloc_stackframe();
284 char *name
= clean_name(frame
, mnt
);
289 TALLOC_FREE(cli
->dfs_mountpoint
);
290 cli
->dfs_mountpoint
= talloc_strdup(cli
, name
);
294 /********************************************************************
295 Add a new connection to the list.
296 referring_cli == NULL means a new initial connection.
297 ********************************************************************/
299 static NTSTATUS
cli_cm_connect(TALLOC_CTX
*ctx
,
300 struct cli_state
*referring_cli
,
303 const struct user_auth_info
*auth_info
,
309 struct cli_state
**pcli
)
311 struct cli_state
*cli
;
314 status
= do_connect(ctx
, server
, share
,
316 show_hdr
, force_encrypt
, max_protocol
,
317 port
, name_type
, &cli
);
319 if (!NT_STATUS_IS_OK(status
)) {
323 /* Enter into the list. */
325 DLIST_ADD_END(referring_cli
, cli
, struct cli_state
*);
328 if (referring_cli
&& referring_cli
->requested_posix_capabilities
) {
330 uint32 caplow
, caphigh
;
331 status
= cli_unix_extensions_version(cli
, &major
, &minor
,
333 if (NT_STATUS_IS_OK(status
)) {
334 cli_set_unix_extensions_capabilities(cli
,
344 /********************************************************************
345 Return a connection to a server on a particular share.
346 ********************************************************************/
348 static struct cli_state
*cli_cm_find(struct cli_state
*cli
,
358 /* Search to the start of the list. */
359 for (p
= cli
; p
; p
= DLIST_PREV(p
)) {
360 const char *remote_name
=
361 smbXcli_conn_remote_name(p
->conn
);
363 if (strequal(server
, remote_name
) &&
364 strequal(share
,p
->share
)) {
369 /* Search to the end of the list. */
370 for (p
= cli
->next
; p
; p
= p
->next
) {
371 const char *remote_name
=
372 smbXcli_conn_remote_name(p
->conn
);
374 if (strequal(server
, remote_name
) &&
375 strequal(share
,p
->share
)) {
383 /****************************************************************************
384 Open a client connection to a \\server\share.
385 ****************************************************************************/
387 NTSTATUS
cli_cm_open(TALLOC_CTX
*ctx
,
388 struct cli_state
*referring_cli
,
391 const struct user_auth_info
*auth_info
,
397 struct cli_state
**pcli
)
399 /* Try to reuse an existing connection in this list. */
400 struct cli_state
*c
= cli_cm_find(referring_cli
, server
, share
);
408 if (auth_info
== NULL
) {
409 /* Can't do a new connection
410 * without auth info. */
411 d_printf("cli_cm_open() Unable to open connection [\\%s\\%s] "
412 "without auth info\n",
414 return NT_STATUS_INVALID_PARAMETER
;
417 status
= cli_cm_connect(ctx
,
428 if (!NT_STATUS_IS_OK(status
)) {
435 /****************************************************************************
436 ****************************************************************************/
438 void cli_cm_display(struct cli_state
*cli
)
442 for (i
=0; cli
; cli
= cli
->next
,i
++ ) {
443 d_printf("%d:\tserver=%s, share=%s\n",
444 i
, smbXcli_conn_remote_name(cli
->conn
), cli
->share
);
448 /****************************************************************************
449 ****************************************************************************/
451 /****************************************************************************
452 ****************************************************************************/
455 void cli_cm_set_credentials(struct user_auth_info
*auth_info
)
457 SAFE_FREE(cm_creds
.username
);
458 cm_creds
.username
= SMB_STRDUP(get_cmdline_auth_info_username(
461 if (get_cmdline_auth_info_got_pass(auth_info
)) {
462 cm_set_password(get_cmdline_auth_info_password(auth_info
));
465 cm_creds
.use_kerberos
= get_cmdline_auth_info_use_kerberos(auth_info
);
466 cm_creds
.fallback_after_kerberos
= false;
467 cm_creds
.signing_state
= get_cmdline_auth_info_signing_state(auth_info
);
471 /**********************************************************************
472 split a dfs path into the server, share name, and extrapath components
473 **********************************************************************/
475 static bool split_dfs_path(TALLOC_CTX
*ctx
,
476 const char *nodepath
,
486 *pp_extrapath
= NULL
;
488 path
= talloc_strdup(ctx
, nodepath
);
493 if ( path
[0] != '\\' ) {
497 p
= strchr_m( path
+ 1, '\\' );
505 /* Look for any extra/deep path */
506 q
= strchr_m(p
, '\\');
510 *pp_extrapath
= talloc_strdup(ctx
, q
);
512 *pp_extrapath
= talloc_strdup(ctx
, "");
514 if (*pp_extrapath
== NULL
) {
518 *pp_share
= talloc_strdup(ctx
, p
);
519 if (*pp_share
== NULL
) {
523 *pp_server
= talloc_strdup(ctx
, &path
[1]);
524 if (*pp_server
== NULL
) {
532 TALLOC_FREE(*pp_share
);
533 TALLOC_FREE(*pp_extrapath
);
538 /****************************************************************************
539 Return the original path truncated at the directory component before
540 the first wildcard character. Trust the caller to provide a NULL
542 ****************************************************************************/
544 static char *clean_path(TALLOC_CTX
*ctx
, const char *path
)
550 /* No absolute paths. */
551 while (IS_DIRECTORY_SEP(*path
)) {
555 path_out
= talloc_strdup(ctx
, path
);
560 p1
= strchr_m(path_out
, '*');
561 p2
= strchr_m(path_out
, '?');
573 /* Now go back to the start of this component. */
574 p1
= strrchr_m(path_out
, '/');
575 p2
= strrchr_m(path_out
, '\\');
582 /* Strip any trailing separator */
584 len
= strlen(path_out
);
585 if ( (len
> 0) && IS_DIRECTORY_SEP(path_out
[len
-1])) {
586 path_out
[len
-1] = '\0';
592 /****************************************************************************
593 ****************************************************************************/
595 static char *cli_dfs_make_full_path(TALLOC_CTX
*ctx
,
596 struct cli_state
*cli
,
599 char path_sep
= '\\';
601 /* Ensure the extrapath doesn't start with a separator. */
602 while (IS_DIRECTORY_SEP(*dir
)) {
606 if (cli
->requested_posix_capabilities
& CIFS_UNIX_POSIX_PATHNAMES_CAP
) {
609 return talloc_asprintf(ctx
, "%c%s%c%s%c%s",
611 smbXcli_conn_remote_name(cli
->conn
),
618 /********************************************************************
619 check for dfs referral
620 ********************************************************************/
622 static bool cli_dfs_check_error(struct cli_state
*cli
, NTSTATUS expected
,
625 /* only deal with DS when we negotiated NT_STATUS codes and UNICODE */
627 if (!(smbXcli_conn_use_unicode(cli
->conn
))) {
630 if (!(smb1cli_conn_capabilities(cli
->conn
) & CAP_STATUS32
)) {
633 if (NT_STATUS_EQUAL(status
, expected
)) {
639 /********************************************************************
640 Get the dfs referral link.
641 ********************************************************************/
643 NTSTATUS
cli_dfs_get_referral(TALLOC_CTX
*ctx
,
644 struct cli_state
*cli
,
646 struct client_dfs_referral
**refs
,
650 unsigned int param_len
= 0;
651 uint16_t recv_flags2
;
652 uint8_t *param
= NULL
;
653 uint8_t *rdata
= NULL
;
656 smb_ucs2_t
*path_ucs
;
657 char *consumed_path
= NULL
;
658 uint16_t consumed_ucs
;
659 uint16 num_referrals
;
660 struct client_dfs_referral
*referrals
= NULL
;
662 TALLOC_CTX
*frame
= talloc_stackframe();
667 param
= talloc_array(talloc_tos(), uint8_t, 2);
669 status
= NT_STATUS_NO_MEMORY
;
672 SSVAL(param
, 0, 0x03); /* max referral level */
674 param
= trans2_bytes_push_str(param
, smbXcli_conn_use_unicode(cli
->conn
),
675 path
, strlen(path
)+1,
678 status
= NT_STATUS_NO_MEMORY
;
681 param_len
= talloc_get_size(param
);
682 path_ucs
= (smb_ucs2_t
*)¶m
[2];
684 if (smbXcli_conn_protocol(cli
->conn
) >= PROTOCOL_SMB2_02
) {
685 DATA_BLOB in_input_buffer
;
686 DATA_BLOB in_output_buffer
= data_blob_null
;
687 DATA_BLOB out_input_buffer
= data_blob_null
;
688 DATA_BLOB out_output_buffer
= data_blob_null
;
690 in_input_buffer
.data
= param
;
691 in_input_buffer
.length
= param_len
;
693 status
= smb2cli_ioctl(cli
->conn
,
697 UINT64_MAX
, /* in_fid_persistent */
698 UINT64_MAX
, /* in_fid_volatile */
699 FSCTL_DFS_GET_REFERRALS
,
700 0, /* in_max_input_length */
702 CLI_BUFFER_SIZE
, /* in_max_output_length */
704 SMB2_IOCTL_FLAG_IS_FSCTL
,
708 if (!NT_STATUS_IS_OK(status
)) {
712 if (out_output_buffer
.length
< 4) {
713 status
= NT_STATUS_INVALID_NETWORK_RESPONSE
;
717 recv_flags2
= FLAGS2_UNICODE_STRINGS
;
718 rdata
= out_output_buffer
.data
;
719 endp
= (char *)rdata
+ out_output_buffer
.length
;
721 unsigned int data_len
= 0;
724 SSVAL(setup
, 0, TRANSACT2_GET_DFS_REFERRAL
);
726 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
,
730 NULL
, 0, CLI_BUFFER_SIZE
,
732 NULL
, 0, NULL
, /* rsetup */
734 &rdata
, 4, &data_len
);
735 if (!NT_STATUS_IS_OK(status
)) {
739 endp
= (char *)rdata
+ data_len
;
742 consumed_ucs
= SVAL(rdata
, 0);
743 num_referrals
= SVAL(rdata
, 2);
745 /* consumed_ucs is the number of bytes
746 * of the UCS2 path consumed not counting any
747 * terminating null. We need to convert
748 * back to unix charset and count again
749 * to get the number of bytes consumed from
750 * the incoming path. */
753 if (pull_string_talloc(talloc_tos(),
761 status
= map_nt_error_from_unix(errno
);
763 status
= NT_STATUS_INVALID_NETWORK_RESPONSE
;
767 if (consumed_path
== NULL
) {
768 status
= map_nt_error_from_unix(errno
);
771 *consumed
= strlen(consumed_path
);
773 if (num_referrals
!= 0) {
779 referrals
= talloc_array(ctx
, struct client_dfs_referral
,
783 status
= NT_STATUS_NO_MEMORY
;
786 /* start at the referrals array */
789 for (i
=0; i
<num_referrals
&& p
< endp
; i
++) {
793 ref_version
= SVAL(p
, 0);
794 ref_size
= SVAL(p
, 2);
795 node_offset
= SVAL(p
, 16);
797 if (ref_version
!= 3) {
802 referrals
[i
].proximity
= SVAL(p
, 8);
803 referrals
[i
].ttl
= SVAL(p
, 10);
805 if (p
+ node_offset
> endp
) {
806 status
= NT_STATUS_INVALID_NETWORK_RESPONSE
;
809 clistr_pull_talloc(referrals
,
812 &referrals
[i
].dfspath
,
814 PTR_DIFF(endp
, p
+node_offset
),
815 STR_TERMINATE
|STR_UNICODE
);
817 if (!referrals
[i
].dfspath
) {
818 status
= map_nt_error_from_unix(errno
);
823 if (i
< num_referrals
) {
824 status
= NT_STATUS_INVALID_NETWORK_RESPONSE
;
829 *num_refs
= num_referrals
;
838 /********************************************************************
839 ********************************************************************/
841 NTSTATUS
cli_resolve_path(TALLOC_CTX
*ctx
,
843 const struct user_auth_info
*dfs_auth_info
,
844 struct cli_state
*rootcli
,
846 struct cli_state
**targetcli
,
847 char **pp_targetpath
)
849 struct client_dfs_referral
*refs
= NULL
;
852 struct cli_state
*cli_ipc
= NULL
;
853 char *dfs_path
= NULL
;
854 char *cleanpath
= NULL
;
855 char *extrapath
= NULL
;
859 struct cli_state
*newcli
= NULL
;
860 char *newpath
= NULL
;
861 char *newmount
= NULL
;
863 SMB_STRUCT_STAT sbuf
;
866 struct smbXcli_tcon
*root_tcon
= NULL
;
867 struct smbXcli_tcon
*target_tcon
= NULL
;
869 if ( !rootcli
|| !path
|| !targetcli
) {
870 return NT_STATUS_INVALID_PARAMETER
;
873 /* Don't do anything if this is not a DFS root. */
875 if (smbXcli_conn_protocol(rootcli
->conn
) >= PROTOCOL_SMB2_02
) {
876 root_tcon
= rootcli
->smb2
.tcon
;
878 root_tcon
= rootcli
->smb1
.tcon
;
881 if (!smbXcli_tcon_is_dfs_share(root_tcon
)) {
882 *targetcli
= rootcli
;
883 *pp_targetpath
= talloc_strdup(ctx
, path
);
884 if (!*pp_targetpath
) {
885 return NT_STATUS_NO_MEMORY
;
892 /* Send a trans2_query_path_info to check for a referral. */
894 cleanpath
= clean_path(ctx
, path
);
896 return NT_STATUS_NO_MEMORY
;
899 dfs_path
= cli_dfs_make_full_path(ctx
, rootcli
, cleanpath
);
901 return NT_STATUS_NO_MEMORY
;
904 status
= cli_qpathinfo_basic( rootcli
, dfs_path
, &sbuf
, &attributes
);
905 if (NT_STATUS_IS_OK(status
)) {
906 /* This is an ordinary path, just return it. */
907 *targetcli
= rootcli
;
908 *pp_targetpath
= talloc_strdup(ctx
, path
);
909 if (!*pp_targetpath
) {
910 return NT_STATUS_NO_MEMORY
;
915 /* Special case where client asked for a path that does not exist */
917 if (cli_dfs_check_error(rootcli
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
919 *targetcli
= rootcli
;
920 *pp_targetpath
= talloc_strdup(ctx
, path
);
921 if (!*pp_targetpath
) {
922 return NT_STATUS_NO_MEMORY
;
927 /* We got an error, check for DFS referral. */
929 if (!cli_dfs_check_error(rootcli
, NT_STATUS_PATH_NOT_COVERED
,
934 /* Check for the referral. */
936 status
= cli_cm_open(ctx
,
938 smbXcli_conn_remote_name(rootcli
->conn
),
942 smb1cli_conn_encryption_on(rootcli
->conn
),
943 smbXcli_conn_protocol(rootcli
->conn
),
947 if (!NT_STATUS_IS_OK(status
)) {
951 status
= cli_dfs_get_referral(ctx
, cli_ipc
, dfs_path
, &refs
,
952 &num_refs
, &consumed
);
953 if (!NT_STATUS_IS_OK(status
) || !num_refs
) {
957 /* Just store the first referral for now. */
959 if (!refs
[0].dfspath
) {
960 return NT_STATUS_NOT_FOUND
;
962 if (!split_dfs_path(ctx
, refs
[0].dfspath
, &server
, &share
,
964 return NT_STATUS_NOT_FOUND
;
967 /* Make sure to recreate the original string including any wildcards. */
969 dfs_path
= cli_dfs_make_full_path(ctx
, rootcli
, path
);
971 return NT_STATUS_NO_MEMORY
;
973 pathlen
= strlen(dfs_path
);
974 consumed
= MIN(pathlen
, consumed
);
975 *pp_targetpath
= talloc_strdup(ctx
, &dfs_path
[consumed
]);
976 if (!*pp_targetpath
) {
977 return NT_STATUS_NO_MEMORY
;
979 dfs_path
[consumed
] = '\0';
982 * *pp_targetpath is now the unconsumed part of the path.
983 * dfs_path is now the consumed part of the path
984 * (in \server\share\path format).
987 /* Open the connection to the target server & share */
988 status
= cli_cm_open(ctx
, rootcli
,
993 smb1cli_conn_encryption_on(rootcli
->conn
),
994 smbXcli_conn_protocol(rootcli
->conn
),
998 if (!NT_STATUS_IS_OK(status
)) {
999 d_printf("Unable to follow dfs referral [\\%s\\%s]\n",
1004 if (extrapath
&& strlen(extrapath
) > 0) {
1005 /* EMC Celerra NAS version 5.6.50 (at least) doesn't appear to */
1006 /* put the trailing \ on the path, so to be save we put one in if needed */
1007 if (extrapath
[strlen(extrapath
)-1] != '\\' && **pp_targetpath
!= '\\') {
1008 *pp_targetpath
= talloc_asprintf(ctx
,
1013 *pp_targetpath
= talloc_asprintf(ctx
,
1018 if (!*pp_targetpath
) {
1019 return NT_STATUS_NO_MEMORY
;
1023 /* parse out the consumed mount path */
1024 /* trim off the \server\share\ */
1028 if (*ppath
!= '\\') {
1029 d_printf("cli_resolve_path: "
1030 "dfs_path (%s) not in correct format.\n",
1032 return NT_STATUS_NOT_FOUND
;
1035 ppath
++; /* Now pointing at start of server name. */
1037 if ((ppath
= strchr_m( dfs_path
, '\\' )) == NULL
) {
1038 return NT_STATUS_NOT_FOUND
;
1041 ppath
++; /* Now pointing at start of share name. */
1043 if ((ppath
= strchr_m( ppath
+1, '\\' )) == NULL
) {
1044 return NT_STATUS_NOT_FOUND
;
1047 ppath
++; /* Now pointing at path component. */
1049 newmount
= talloc_asprintf(ctx
, "%s\\%s", mountpt
, ppath
);
1051 return NT_STATUS_NOT_FOUND
;
1054 cli_set_mntpoint(*targetcli
, newmount
);
1056 /* Check for another dfs referral, note that we are not
1057 checking for loops here. */
1059 if (!strequal(*pp_targetpath
, "\\") && !strequal(*pp_targetpath
, "/")) {
1060 status
= cli_resolve_path(ctx
,
1067 if (NT_STATUS_IS_OK(status
)) {
1069 * When cli_resolve_path returns true here it's always
1070 * returning the complete path in newpath, so we're done
1073 *targetcli
= newcli
;
1074 *pp_targetpath
= newpath
;
1081 if (smbXcli_conn_protocol((*targetcli
)->conn
) >= PROTOCOL_SMB2_02
) {
1082 target_tcon
= (*targetcli
)->smb2
.tcon
;
1084 target_tcon
= (*targetcli
)->smb1
.tcon
;
1087 /* If returning true ensure we return a dfs root full path. */
1088 if (smbXcli_tcon_is_dfs_share(target_tcon
)) {
1089 dfs_path
= talloc_strdup(ctx
, *pp_targetpath
);
1091 return NT_STATUS_NO_MEMORY
;
1093 *pp_targetpath
= cli_dfs_make_full_path(ctx
, *targetcli
, dfs_path
);
1094 if (*pp_targetpath
== NULL
) {
1095 return NT_STATUS_NO_MEMORY
;
1099 return NT_STATUS_OK
;
1102 /********************************************************************
1103 ********************************************************************/
1105 bool cli_check_msdfs_proxy(TALLOC_CTX
*ctx
,
1106 struct cli_state
*cli
,
1107 const char *sharename
,
1108 char **pp_newserver
,
1111 const char *username
,
1112 const char *password
,
1115 struct client_dfs_referral
*refs
= NULL
;
1116 size_t num_refs
= 0;
1117 size_t consumed
= 0;
1118 char *fullpath
= NULL
;
1121 char *newextrapath
= NULL
;
1123 const char *remote_name
;
1125 if (!cli
|| !sharename
) {
1129 remote_name
= smbXcli_conn_remote_name(cli
->conn
);
1130 cnum
= cli_state_get_tid(cli
);
1132 /* special case. never check for a referral on the IPC$ share */
1134 if (strequal(sharename
, "IPC$")) {
1138 /* send a trans2_query_path_info to check for a referral */
1140 fullpath
= talloc_asprintf(ctx
, "\\%s\\%s", remote_name
, sharename
);
1145 /* check for the referral */
1147 if (!NT_STATUS_IS_OK(cli_tree_connect(cli
, "IPC$", "IPC", NULL
, 0))) {
1151 if (force_encrypt
) {
1152 status
= cli_cm_force_encryption(cli
,
1157 if (!NT_STATUS_IS_OK(status
)) {
1162 status
= cli_dfs_get_referral(ctx
, cli
, fullpath
, &refs
,
1163 &num_refs
, &consumed
);
1164 res
= NT_STATUS_IS_OK(status
);
1166 status
= cli_tdis(cli
);
1167 if (!NT_STATUS_IS_OK(status
)) {
1171 cli_state_set_tid(cli
, cnum
);
1173 if (!res
|| !num_refs
) {
1177 if (!refs
[0].dfspath
) {
1181 if (!split_dfs_path(ctx
, refs
[0].dfspath
, pp_newserver
,
1182 pp_newshare
, &newextrapath
)) {
1186 /* check that this is not a self-referral */
1188 if (strequal(remote_name
, *pp_newserver
) &&
1189 strequal(sharename
, *pp_newshare
)) {