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
)
51 NTSTATUS status
= cli_force_encryption(c
,
56 if (NT_STATUS_EQUAL(status
,NT_STATUS_NOT_SUPPORTED
)) {
57 d_printf("Encryption required and "
58 "server that doesn't support "
59 "UNIX extensions - failing connect\n");
60 } else if (NT_STATUS_EQUAL(status
,NT_STATUS_UNKNOWN_REVISION
)) {
61 d_printf("Encryption required and "
62 "can't get UNIX CIFS extensions "
63 "version from server.\n");
64 } else if (NT_STATUS_EQUAL(status
,NT_STATUS_UNSUPPORTED_COMPRESSION
)) {
65 d_printf("Encryption required and "
66 "share %s doesn't support "
67 "encryption.\n", sharename
);
68 } else if (!NT_STATUS_IS_OK(status
)) {
69 d_printf("Encryption required and "
70 "setup failed with error %s.\n",
77 /********************************************************************
78 Return a connection to a server.
79 ********************************************************************/
81 static NTSTATUS
do_connect(TALLOC_CTX
*ctx
,
84 const struct user_auth_info
*auth_info
,
90 struct cli_state
**pcli
)
92 struct cli_state
*c
= NULL
;
95 char *newserver
, *newshare
;
101 /* make a copy so we don't modify the global string 'service' */
102 servicename
= talloc_strdup(ctx
,share
);
104 return NT_STATUS_NO_MEMORY
;
106 sharename
= servicename
;
107 if (*sharename
== '\\') {
109 if (server
== NULL
) {
112 sharename
= strchr_m(sharename
,'\\');
114 return NT_STATUS_NO_MEMORY
;
119 if (server
== NULL
) {
120 return NT_STATUS_INVALID_PARAMETER
;
123 if (get_cmdline_auth_info_use_kerberos(auth_info
)) {
124 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
126 if (get_cmdline_auth_info_fallback_after_kerberos(auth_info
)) {
127 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
129 if (get_cmdline_auth_info_use_ccache(auth_info
)) {
130 flags
|= CLI_FULL_CONNECTION_USE_CCACHE
;
133 status
= cli_connect_nb(
134 server
, NULL
, port
, name_type
, NULL
,
135 get_cmdline_auth_info_signing_state(auth_info
),
138 if (!NT_STATUS_IS_OK(status
)) {
139 d_printf("Connection to %s failed (Error %s)\n",
145 if (max_protocol
== 0) {
146 max_protocol
= PROTOCOL_NT1
;
148 DEBUG(4,(" session request ok\n"));
150 status
= smbXcli_negprot(c
->conn
, c
->timeout
, PROTOCOL_CORE
,
153 if (!NT_STATUS_IS_OK(status
)) {
154 d_printf("protocol negotiation failed: %s\n",
160 username
= get_cmdline_auth_info_username(auth_info
);
161 password
= get_cmdline_auth_info_password(auth_info
);
163 status
= cli_session_setup(c
, username
,
164 password
, strlen(password
),
165 password
, strlen(password
),
167 if (!NT_STATUS_IS_OK(status
)) {
168 /* If a password was not supplied then
169 * try again with a null username. */
170 if (password
[0] || !username
[0] ||
171 get_cmdline_auth_info_use_kerberos(auth_info
) ||
172 !NT_STATUS_IS_OK(status
= cli_session_setup(c
, "",
176 d_printf("session setup failed: %s\n",
178 if (NT_STATUS_EQUAL(status
,
179 NT_STATUS_MORE_PROCESSING_REQUIRED
))
180 d_printf("did you forget to run kinit?\n");
184 d_printf("Anonymous login successful\n");
185 status
= cli_init_creds(c
, "", lp_workgroup(), "");
187 status
= cli_init_creds(c
, username
, lp_workgroup(), password
);
190 if (!NT_STATUS_IS_OK(status
)) {
191 DEBUG(10,("cli_init_creds() failed: %s\n", nt_errstr(status
)));
196 if ( show_sessetup
) {
197 if (*c
->server_domain
) {
198 DEBUG(0,("Domain=[%s] OS=[%s] Server=[%s]\n",
199 c
->server_domain
,c
->server_os
,c
->server_type
));
200 } else if (*c
->server_os
|| *c
->server_type
) {
201 DEBUG(0,("OS=[%s] Server=[%s]\n",
202 c
->server_os
,c
->server_type
));
205 DEBUG(4,(" session setup ok\n"));
207 /* here's the fun part....to support 'msdfs proxy' shares
208 (on Samba or windows) we have to issues a TRANS_GET_DFS_REFERRAL
209 here before trying to connect to the original share.
210 cli_check_msdfs_proxy() will fail if it is a normal share. */
212 if ((smb1cli_conn_capabilities(c
->conn
) & CAP_DFS
) &&
213 cli_check_msdfs_proxy(ctx
, c
, sharename
,
214 &newserver
, &newshare
,
220 return do_connect(ctx
, newserver
,
221 newshare
, auth_info
, false,
222 force_encrypt
, max_protocol
,
223 port
, name_type
, pcli
);
226 /* must be a normal share */
228 status
= cli_tree_connect(c
, sharename
, "?????",
229 password
, strlen(password
)+1);
230 if (!NT_STATUS_IS_OK(status
)) {
231 d_printf("tree connect failed: %s\n", nt_errstr(status
));
237 status
= cli_cm_force_encryption(c
,
242 if (!NT_STATUS_IS_OK(status
)) {
248 DEBUG(4,(" tconx ok\n"));
253 /****************************************************************************
254 ****************************************************************************/
256 static void cli_set_mntpoint(struct cli_state
*cli
, const char *mnt
)
258 char *name
= clean_name(NULL
, mnt
);
262 TALLOC_FREE(cli
->dfs_mountpoint
);
263 cli
->dfs_mountpoint
= talloc_strdup(cli
, name
);
267 /********************************************************************
268 Add a new connection to the list.
269 referring_cli == NULL means a new initial connection.
270 ********************************************************************/
272 static NTSTATUS
cli_cm_connect(TALLOC_CTX
*ctx
,
273 struct cli_state
*referring_cli
,
276 const struct user_auth_info
*auth_info
,
282 struct cli_state
**pcli
)
284 struct cli_state
*cli
;
287 status
= do_connect(ctx
, server
, share
,
289 show_hdr
, force_encrypt
, max_protocol
,
290 port
, name_type
, &cli
);
292 if (!NT_STATUS_IS_OK(status
)) {
296 /* Enter into the list. */
298 DLIST_ADD_END(referring_cli
, cli
, struct cli_state
*);
301 if (referring_cli
&& referring_cli
->requested_posix_capabilities
) {
303 uint32 caplow
, caphigh
;
304 status
= cli_unix_extensions_version(cli
, &major
, &minor
,
306 if (NT_STATUS_IS_OK(status
)) {
307 cli_set_unix_extensions_capabilities(cli
,
317 /********************************************************************
318 Return a connection to a server on a particular share.
319 ********************************************************************/
321 static struct cli_state
*cli_cm_find(struct cli_state
*cli
,
331 /* Search to the start of the list. */
332 for (p
= cli
; p
; p
= DLIST_PREV(p
)) {
333 const char *remote_name
=
334 smbXcli_conn_remote_name(p
->conn
);
336 if (strequal(server
, remote_name
) &&
337 strequal(share
,p
->share
)) {
342 /* Search to the end of the list. */
343 for (p
= cli
->next
; p
; p
= p
->next
) {
344 const char *remote_name
=
345 smbXcli_conn_remote_name(p
->conn
);
347 if (strequal(server
, remote_name
) &&
348 strequal(share
,p
->share
)) {
356 /****************************************************************************
357 Open a client connection to a \\server\share.
358 ****************************************************************************/
360 NTSTATUS
cli_cm_open(TALLOC_CTX
*ctx
,
361 struct cli_state
*referring_cli
,
364 const struct user_auth_info
*auth_info
,
370 struct cli_state
**pcli
)
372 /* Try to reuse an existing connection in this list. */
373 struct cli_state
*c
= cli_cm_find(referring_cli
, server
, share
);
381 if (auth_info
== NULL
) {
382 /* Can't do a new connection
383 * without auth info. */
384 d_printf("cli_cm_open() Unable to open connection [\\%s\\%s] "
385 "without auth info\n",
387 return NT_STATUS_INVALID_PARAMETER
;
390 status
= cli_cm_connect(ctx
,
401 if (!NT_STATUS_IS_OK(status
)) {
408 /****************************************************************************
409 ****************************************************************************/
411 void cli_cm_display(struct cli_state
*cli
)
415 for (i
=0; cli
; cli
= cli
->next
,i
++ ) {
416 d_printf("%d:\tserver=%s, share=%s\n",
417 i
, smbXcli_conn_remote_name(cli
->conn
), cli
->share
);
421 /****************************************************************************
422 ****************************************************************************/
424 /****************************************************************************
425 ****************************************************************************/
428 void cli_cm_set_credentials(struct user_auth_info
*auth_info
)
430 SAFE_FREE(cm_creds
.username
);
431 cm_creds
.username
= SMB_STRDUP(get_cmdline_auth_info_username(
434 if (get_cmdline_auth_info_got_pass(auth_info
)) {
435 cm_set_password(get_cmdline_auth_info_password(auth_info
));
438 cm_creds
.use_kerberos
= get_cmdline_auth_info_use_kerberos(auth_info
);
439 cm_creds
.fallback_after_kerberos
= false;
440 cm_creds
.signing_state
= get_cmdline_auth_info_signing_state(auth_info
);
444 /**********************************************************************
445 split a dfs path into the server, share name, and extrapath components
446 **********************************************************************/
448 static bool split_dfs_path(TALLOC_CTX
*ctx
,
449 const char *nodepath
,
459 *pp_extrapath
= NULL
;
461 path
= talloc_strdup(ctx
, nodepath
);
466 if ( path
[0] != '\\' ) {
470 p
= strchr_m( path
+ 1, '\\' );
478 /* Look for any extra/deep path */
479 q
= strchr_m(p
, '\\');
483 *pp_extrapath
= talloc_strdup(ctx
, q
);
485 *pp_extrapath
= talloc_strdup(ctx
, "");
487 if (*pp_extrapath
== NULL
) {
491 *pp_share
= talloc_strdup(ctx
, p
);
492 if (*pp_share
== NULL
) {
496 *pp_server
= talloc_strdup(ctx
, &path
[1]);
497 if (*pp_server
== NULL
) {
505 TALLOC_FREE(*pp_share
);
506 TALLOC_FREE(*pp_extrapath
);
511 /****************************************************************************
512 Return the original path truncated at the directory component before
513 the first wildcard character. Trust the caller to provide a NULL
515 ****************************************************************************/
517 static char *clean_path(TALLOC_CTX
*ctx
, const char *path
)
523 /* No absolute paths. */
524 while (IS_DIRECTORY_SEP(*path
)) {
528 path_out
= talloc_strdup(ctx
, path
);
533 p1
= strchr_m(path_out
, '*');
534 p2
= strchr_m(path_out
, '?');
546 /* Now go back to the start of this component. */
547 p1
= strrchr_m(path_out
, '/');
548 p2
= strrchr_m(path_out
, '\\');
555 /* Strip any trailing separator */
557 len
= strlen(path_out
);
558 if ( (len
> 0) && IS_DIRECTORY_SEP(path_out
[len
-1])) {
559 path_out
[len
-1] = '\0';
565 /****************************************************************************
566 ****************************************************************************/
568 static char *cli_dfs_make_full_path(TALLOC_CTX
*ctx
,
569 struct cli_state
*cli
,
572 char path_sep
= '\\';
574 /* Ensure the extrapath doesn't start with a separator. */
575 while (IS_DIRECTORY_SEP(*dir
)) {
579 if (cli
->requested_posix_capabilities
& CIFS_UNIX_POSIX_PATHNAMES_CAP
) {
582 return talloc_asprintf(ctx
, "%c%s%c%s%c%s",
584 smbXcli_conn_remote_name(cli
->conn
),
591 /********************************************************************
592 check for dfs referral
593 ********************************************************************/
595 static bool cli_dfs_check_error(struct cli_state
*cli
, NTSTATUS expected
,
598 /* only deal with DS when we negotiated NT_STATUS codes and UNICODE */
600 if (!(smb1cli_conn_capabilities(cli
->conn
) & CAP_UNICODE
)) {
603 if (!(smb1cli_conn_capabilities(cli
->conn
) & CAP_STATUS32
)) {
606 if (NT_STATUS_EQUAL(status
, expected
)) {
612 /********************************************************************
613 Get the dfs referral link.
614 ********************************************************************/
616 NTSTATUS
cli_dfs_get_referral(TALLOC_CTX
*ctx
,
617 struct cli_state
*cli
,
619 struct client_dfs_referral
**refs
,
623 unsigned int data_len
= 0;
624 unsigned int param_len
= 0;
626 uint16_t recv_flags2
;
627 uint8_t *param
= NULL
;
628 uint8_t *rdata
= NULL
;
631 smb_ucs2_t
*path_ucs
;
632 char *consumed_path
= NULL
;
633 uint16_t consumed_ucs
;
634 uint16 num_referrals
;
635 struct client_dfs_referral
*referrals
= NULL
;
637 TALLOC_CTX
*frame
= talloc_stackframe();
642 SSVAL(setup
, 0, TRANSACT2_GET_DFS_REFERRAL
);
644 param
= talloc_array(talloc_tos(), uint8_t, 2);
646 status
= NT_STATUS_NO_MEMORY
;
649 SSVAL(param
, 0, 0x03); /* max referral level */
651 param
= trans2_bytes_push_str(param
, smbXcli_conn_use_unicode(cli
->conn
),
652 path
, strlen(path
)+1,
655 status
= NT_STATUS_NO_MEMORY
;
658 param_len
= talloc_get_size(param
);
659 path_ucs
= (smb_ucs2_t
*)¶m
[2];
661 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
,
665 NULL
, 0, CLI_BUFFER_SIZE
,
667 NULL
, 0, NULL
, /* rsetup */
669 &rdata
, 4, &data_len
);
670 if (!NT_STATUS_IS_OK(status
)) {
674 endp
= (char *)rdata
+ data_len
;
676 consumed_ucs
= SVAL(rdata
, 0);
677 num_referrals
= SVAL(rdata
, 2);
679 /* consumed_ucs is the number of bytes
680 * of the UCS2 path consumed not counting any
681 * terminating null. We need to convert
682 * back to unix charset and count again
683 * to get the number of bytes consumed from
684 * the incoming path. */
687 if (pull_string_talloc(talloc_tos(),
695 status
= map_nt_error_from_unix(errno
);
697 status
= NT_STATUS_INVALID_NETWORK_RESPONSE
;
701 if (consumed_path
== NULL
) {
702 status
= map_nt_error_from_unix(errno
);
705 *consumed
= strlen(consumed_path
);
707 if (num_referrals
!= 0) {
713 referrals
= talloc_array(ctx
, struct client_dfs_referral
,
717 status
= NT_STATUS_NO_MEMORY
;
720 /* start at the referrals array */
723 for (i
=0; i
<num_referrals
&& p
< endp
; i
++) {
727 ref_version
= SVAL(p
, 0);
728 ref_size
= SVAL(p
, 2);
729 node_offset
= SVAL(p
, 16);
731 if (ref_version
!= 3) {
736 referrals
[i
].proximity
= SVAL(p
, 8);
737 referrals
[i
].ttl
= SVAL(p
, 10);
739 if (p
+ node_offset
> endp
) {
740 status
= NT_STATUS_INVALID_NETWORK_RESPONSE
;
743 clistr_pull_talloc(referrals
,
746 &referrals
[i
].dfspath
,
748 PTR_DIFF(endp
, p
+node_offset
),
749 STR_TERMINATE
|STR_UNICODE
);
751 if (!referrals
[i
].dfspath
) {
752 status
= map_nt_error_from_unix(errno
);
757 if (i
< num_referrals
) {
758 status
= NT_STATUS_INVALID_NETWORK_RESPONSE
;
763 *num_refs
= num_referrals
;
772 /********************************************************************
773 ********************************************************************/
775 NTSTATUS
cli_resolve_path(TALLOC_CTX
*ctx
,
777 const struct user_auth_info
*dfs_auth_info
,
778 struct cli_state
*rootcli
,
780 struct cli_state
**targetcli
,
781 char **pp_targetpath
)
783 struct client_dfs_referral
*refs
= NULL
;
786 struct cli_state
*cli_ipc
= NULL
;
787 char *dfs_path
= NULL
;
788 char *cleanpath
= NULL
;
789 char *extrapath
= NULL
;
793 struct cli_state
*newcli
= NULL
;
794 char *newpath
= NULL
;
795 char *newmount
= NULL
;
797 SMB_STRUCT_STAT sbuf
;
801 if ( !rootcli
|| !path
|| !targetcli
) {
802 return NT_STATUS_INVALID_PARAMETER
;
805 /* Don't do anything if this is not a DFS root. */
807 if ( !rootcli
->dfsroot
) {
808 *targetcli
= rootcli
;
809 *pp_targetpath
= talloc_strdup(ctx
, path
);
810 if (!*pp_targetpath
) {
811 return NT_STATUS_NO_MEMORY
;
818 /* Send a trans2_query_path_info to check for a referral. */
820 cleanpath
= clean_path(ctx
, path
);
822 return NT_STATUS_NO_MEMORY
;
825 dfs_path
= cli_dfs_make_full_path(ctx
, rootcli
, cleanpath
);
827 return NT_STATUS_NO_MEMORY
;
830 status
= cli_qpathinfo_basic( rootcli
, dfs_path
, &sbuf
, &attributes
);
831 if (NT_STATUS_IS_OK(status
)) {
832 /* This is an ordinary path, just return it. */
833 *targetcli
= rootcli
;
834 *pp_targetpath
= talloc_strdup(ctx
, path
);
835 if (!*pp_targetpath
) {
836 return NT_STATUS_NO_MEMORY
;
841 /* Special case where client asked for a path that does not exist */
843 if (cli_dfs_check_error(rootcli
, NT_STATUS_OBJECT_NAME_NOT_FOUND
,
845 *targetcli
= rootcli
;
846 *pp_targetpath
= talloc_strdup(ctx
, path
);
847 if (!*pp_targetpath
) {
848 return NT_STATUS_NO_MEMORY
;
853 /* We got an error, check for DFS referral. */
855 if (!cli_dfs_check_error(rootcli
, NT_STATUS_PATH_NOT_COVERED
,
860 /* Check for the referral. */
862 status
= cli_cm_open(ctx
,
864 smbXcli_conn_remote_name(rootcli
->conn
),
868 smb1cli_conn_encryption_on(rootcli
->conn
),
869 smbXcli_conn_protocol(rootcli
->conn
),
873 if (!NT_STATUS_IS_OK(status
)) {
877 status
= cli_dfs_get_referral(ctx
, cli_ipc
, dfs_path
, &refs
,
878 &num_refs
, &consumed
);
879 if (!NT_STATUS_IS_OK(status
) || !num_refs
) {
883 /* Just store the first referral for now. */
885 if (!refs
[0].dfspath
) {
886 return NT_STATUS_NOT_FOUND
;
888 if (!split_dfs_path(ctx
, refs
[0].dfspath
, &server
, &share
,
890 return NT_STATUS_NOT_FOUND
;
893 /* Make sure to recreate the original string including any wildcards. */
895 dfs_path
= cli_dfs_make_full_path(ctx
, rootcli
, path
);
897 return NT_STATUS_NO_MEMORY
;
899 pathlen
= strlen(dfs_path
);
900 consumed
= MIN(pathlen
, consumed
);
901 *pp_targetpath
= talloc_strdup(ctx
, &dfs_path
[consumed
]);
902 if (!*pp_targetpath
) {
903 return NT_STATUS_NO_MEMORY
;
905 dfs_path
[consumed
] = '\0';
908 * *pp_targetpath is now the unconsumed part of the path.
909 * dfs_path is now the consumed part of the path
910 * (in \server\share\path format).
913 /* Open the connection to the target server & share */
914 status
= cli_cm_open(ctx
, rootcli
,
919 smb1cli_conn_encryption_on(rootcli
->conn
),
920 smbXcli_conn_protocol(rootcli
->conn
),
924 if (!NT_STATUS_IS_OK(status
)) {
925 d_printf("Unable to follow dfs referral [\\%s\\%s]\n",
930 if (extrapath
&& strlen(extrapath
) > 0) {
931 /* EMC Celerra NAS version 5.6.50 (at least) doesn't appear to */
932 /* put the trailing \ on the path, so to be save we put one in if needed */
933 if (extrapath
[strlen(extrapath
)-1] != '\\' && **pp_targetpath
!= '\\') {
934 *pp_targetpath
= talloc_asprintf(ctx
,
939 *pp_targetpath
= talloc_asprintf(ctx
,
944 if (!*pp_targetpath
) {
945 return NT_STATUS_NO_MEMORY
;
949 /* parse out the consumed mount path */
950 /* trim off the \server\share\ */
954 if (*ppath
!= '\\') {
955 d_printf("cli_resolve_path: "
956 "dfs_path (%s) not in correct format.\n",
958 return NT_STATUS_NOT_FOUND
;
961 ppath
++; /* Now pointing at start of server name. */
963 if ((ppath
= strchr_m( dfs_path
, '\\' )) == NULL
) {
964 return NT_STATUS_NOT_FOUND
;
967 ppath
++; /* Now pointing at start of share name. */
969 if ((ppath
= strchr_m( ppath
+1, '\\' )) == NULL
) {
970 return NT_STATUS_NOT_FOUND
;
973 ppath
++; /* Now pointing at path component. */
975 newmount
= talloc_asprintf(ctx
, "%s\\%s", mountpt
, ppath
);
977 return NT_STATUS_NOT_FOUND
;
980 cli_set_mntpoint(*targetcli
, newmount
);
982 /* Check for another dfs referral, note that we are not
983 checking for loops here. */
985 if (!strequal(*pp_targetpath
, "\\") && !strequal(*pp_targetpath
, "/")) {
986 status
= cli_resolve_path(ctx
,
993 if (NT_STATUS_IS_OK(status
)) {
995 * When cli_resolve_path returns true here it's always
996 * returning the complete path in newpath, so we're done
1000 *pp_targetpath
= newpath
;
1007 /* If returning true ensure we return a dfs root full path. */
1008 if ((*targetcli
)->dfsroot
) {
1009 dfs_path
= talloc_strdup(ctx
, *pp_targetpath
);
1011 return NT_STATUS_NO_MEMORY
;
1013 *pp_targetpath
= cli_dfs_make_full_path(ctx
, *targetcli
, dfs_path
);
1014 if (*pp_targetpath
== NULL
) {
1015 return NT_STATUS_NO_MEMORY
;
1019 return NT_STATUS_OK
;
1022 /********************************************************************
1023 ********************************************************************/
1025 bool cli_check_msdfs_proxy(TALLOC_CTX
*ctx
,
1026 struct cli_state
*cli
,
1027 const char *sharename
,
1028 char **pp_newserver
,
1031 const char *username
,
1032 const char *password
,
1035 struct client_dfs_referral
*refs
= NULL
;
1036 size_t num_refs
= 0;
1037 size_t consumed
= 0;
1038 char *fullpath
= NULL
;
1041 char *newextrapath
= NULL
;
1043 const char *remote_name
;
1045 if (!cli
|| !sharename
) {
1049 remote_name
= smbXcli_conn_remote_name(cli
->conn
);
1050 cnum
= cli_state_get_tid(cli
);
1052 /* special case. never check for a referral on the IPC$ share */
1054 if (strequal(sharename
, "IPC$")) {
1058 /* send a trans2_query_path_info to check for a referral */
1060 fullpath
= talloc_asprintf(ctx
, "\\%s\\%s", remote_name
, sharename
);
1065 /* check for the referral */
1067 if (!NT_STATUS_IS_OK(cli_tree_connect(cli
, "IPC$", "IPC", NULL
, 0))) {
1071 if (force_encrypt
) {
1072 status
= cli_cm_force_encryption(cli
,
1077 if (!NT_STATUS_IS_OK(status
)) {
1082 status
= cli_dfs_get_referral(ctx
, cli
, fullpath
, &refs
,
1083 &num_refs
, &consumed
);
1084 res
= NT_STATUS_IS_OK(status
);
1086 status
= cli_tdis(cli
);
1087 if (!NT_STATUS_IS_OK(status
)) {
1091 cli_state_set_tid(cli
, cnum
);
1093 if (!res
|| !num_refs
) {
1097 if (!refs
[0].dfspath
) {
1101 if (!split_dfs_path(ctx
, refs
[0].dfspath
, pp_newserver
,
1102 pp_newshare
, &newextrapath
)) {
1106 /* check that this is not a self-referral */
1108 if (strequal(remote_name
, *pp_newserver
) &&
1109 strequal(sharename
, *pp_newshare
)) {