2 Unix SMB/Netbios implementation.
4 MSDfs services for Samba
5 Copyright (C) Shirish Kalele 2000
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 2 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, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 extern fstring local_machine
;
26 extern uint32 global_client_caps
;
28 /**********************************************************************
29 Parse the pathname of the form \hostname\service\reqpath
30 into the dfs_path structure
31 **********************************************************************/
33 static BOOL
parse_dfs_path(char* pathname
, struct dfs_path
* pdp
)
35 pstring pathname_local
;
38 pstrcpy(pathname_local
,pathname
);
39 p
= temp
= pathname_local
;
43 trim_string(temp
,"\\","\\");
44 DEBUG(10,("temp in parse_dfs_path: .%s. after trimming \\'s\n",temp
));
47 /* parse out hostname */
48 p
= strchr(temp
,'\\');
52 pstrcpy(pdp
->hostname
,temp
);
53 DEBUG(10,("hostname: %s\n",pdp
->hostname
));
55 /* parse out servicename */
57 p
= strchr(temp
,'\\');
59 pstrcpy(pdp
->servicename
,temp
);
60 pdp
->reqpath
[0] = '\0';
64 pstrcpy(pdp
->servicename
,temp
);
65 DEBUG(10,("servicename: %s\n",pdp
->servicename
));
68 pstrcpy(pdp
->reqpath
, p
+1);
71 if (*p
== '\\') *p
= '/';
75 DEBUG(10,("rest of the path: %s\n",pdp
->reqpath
));
79 /********************************************************
80 Fake up a connection struct for the VFS layer.
81 *********************************************************/
83 static BOOL
create_conn_struct( connection_struct
*conn
, int snum
, char *path
)
87 conn
->connectpath
= path
;
88 pstring_sub(conn
->connectpath
, "%S", lp_servicename(snum
));
90 if (!smbd_vfs_init(conn
)) {
91 DEBUG(0,("create_conn_struct: smbd_vfs_init failed.\n"));
98 /**********************************************************************
99 Parse the contents of a symlink to verify if it is an msdfs referral
100 A valid referral is of the form: msdfs:server1\share1,server2\share2
101 **********************************************************************/
102 static BOOL
parse_symlink(char* buf
,struct referral
** preflist
,
107 char* alt_path
[MAX_REFERRAL_COUNT
];
109 struct referral
* reflist
;
113 prot
= strtok(temp
,":");
115 if (!strequal(prot
, "msdfs"))
118 /* No referral list requested. Just yes/no. */
122 /* parse out the alternate paths */
123 while(((alt_path
[count
] = strtok(NULL
,",")) != NULL
) && count
<MAX_REFERRAL_COUNT
)
126 DEBUG(10,("parse_symlink: count=%d\n", count
));
128 reflist
= *preflist
= (struct referral
*) malloc(count
* sizeof(struct referral
));
129 if(reflist
== NULL
) {
130 DEBUG(0,("parse_symlink: Malloc failed!\n"));
134 for(i
=0;i
<count
;i
++) {
135 /* replace / in the alternate path by a \ */
136 char* p
= strchr(alt_path
[i
],'/');
140 pstrcpy(reflist
[i
].alternate_path
, "\\");
141 pstrcat(reflist
[i
].alternate_path
, alt_path
[i
]);
142 reflist
[i
].proximity
= 0;
143 reflist
[i
].ttl
= REFERRAL_TTL
;
144 DEBUG(10, ("parse_symlink: Created alt path: %s\n", reflist
[i
].alternate_path
));
153 /**********************************************************************
154 Returns true if the unix path is a valid msdfs symlink
155 **********************************************************************/
156 BOOL
is_msdfs_link(connection_struct
* conn
, char* path
,
157 struct referral
** reflistp
, int* refcnt
,
158 SMB_STRUCT_STAT
*sbufp
)
162 int referral_len
= 0;
172 if (conn
->vfs_ops
.lstat(conn
, path
, sbufp
) != 0) {
173 DEBUG(5,("is_msdfs_link: %s does not exist.\n",path
));
177 if (S_ISLNK(sbufp
->st_mode
)) {
178 /* open the link and read it */
179 referral_len
= conn
->vfs_ops
.readlink(conn
, path
, referral
,
181 if (referral_len
== -1) {
182 DEBUG(0,("is_msdfs_link: Error reading msdfs link %s: %s\n", path
, strerror(errno
)));
186 referral
[referral_len
] = '\0';
187 DEBUG(5,("is_msdfs_link: %s -> %s\n",path
,referral
));
188 if (parse_symlink(referral
, reflistp
, refcnt
))
194 /*****************************************************************
195 Used by other functions to decide if a dfs path is remote,
196 and to get the list of referred locations for that remote path.
198 findfirst_flag: For findfirsts, dfs links themselves are not
199 redirected, but paths beyond the links are. For normal smb calls,
200 even dfs links need to be redirected.
202 self_referralp: clients expect a dfs referral for the same share when
203 they request referrals for dfs roots on a server.
205 consumedcntp: how much of the dfs path is being redirected. the client
206 should try the remaining path on the redirected server.
207 *****************************************************************/
208 static BOOL
resolve_dfs_path(char* dfspath
, struct dfs_path
* dp
,
209 connection_struct
* conn
,
211 struct referral
** reflistpp
, int* refcntp
,
212 BOOL
* self_referralp
, int* consumedcntp
)
215 int consumed_level
= 1;
220 DEBUG(1,("resolve_dfs_path: NULL dfs_path* or NULL connection_struct*!\n"));
224 if (dp
->reqpath
[0] == '\0') {
225 if (self_referralp
) {
226 DEBUG(6,("resolve_dfs_path: self-referral. returning False\n"));
227 *self_referralp
= True
;
232 /* check if need to redirect */
233 fstrcpy(localpath
, conn
->connectpath
);
234 fstrcat(localpath
, "/");
235 fstrcat(localpath
, dp
->reqpath
);
236 if (is_msdfs_link(conn
, localpath
, reflistpp
, refcntp
, NULL
)) {
237 if (findfirst_flag
) {
238 DEBUG(6,("resolve_dfs_path (FindFirst) No redirection "
239 "for dfs link %s.\n", dfspath
));
242 DEBUG(6,("resolve_dfs_path: %s resolves to a valid Dfs link.\n",
245 *consumedcntp
= strlen(dfspath
);
250 /* redirect if any component in the path is a link */
251 fstrcpy(reqpath
, dp
->reqpath
);
252 p
= strrchr(reqpath
, '/');
255 fstrcpy(localpath
, conn
->connectpath
);
256 fstrcat(localpath
, "/");
257 fstrcat(localpath
, reqpath
);
258 if (is_msdfs_link(conn
, localpath
, reflistpp
, refcntp
, NULL
)) {
259 DEBUG(4, ("resolve_dfs_path: Redirecting %s because parent %s is dfs link\n", dfspath
, localpath
));
261 /* To find the path consumed, we truncate the original
262 DFS pathname passed to use to remove the last
263 component. The length of the resulting string is
269 pstrcpy(buf
, dfspath
);
270 trim_string(buf
, NULL
, "\\");
271 for (; consumed_level
; consumed_level
--) {
272 q
= strrchr(buf
, '\\');
275 *consumedcntp
= strlen(buf
);
276 DEBUG(10, ("resolve_dfs_path: Path consumed: %s (%d)\n", buf
, *consumedcntp
));
281 p
= strrchr(reqpath
, '/');
288 /*****************************************************************
289 Decides if a dfs pathname should be redirected or not.
290 If not, the pathname is converted to a tcon-relative local unix path
291 *****************************************************************/
292 BOOL
dfs_redirect(char* pathname
, connection_struct
* conn
,
297 if (!conn
|| !pathname
)
300 parse_dfs_path(pathname
, &dp
);
302 /* if dfs pathname for a non-dfs share, convert to tcon-relative
303 path and return false */
304 if (!lp_msdfs_root(SNUM(conn
))) {
305 fstrcpy(pathname
, dp
.reqpath
);
309 if (strcasecmp(dp
.servicename
, lp_servicename(SNUM(conn
)) ) != 0)
312 if (resolve_dfs_path(pathname
, &dp
, conn
, findfirst_flag
,
313 NULL
, NULL
, NULL
, NULL
)) {
314 DEBUG(3,("dfs_redirect: Redirecting %s\n", pathname
));
317 DEBUG(3,("dfs_redirect: Not redirecting %s.\n", pathname
));
319 /* Form non-dfs tcon-relative path */
320 fstrcpy(pathname
, dp
.reqpath
);
321 DEBUG(3,("dfs_redirect: Path converted to non-dfs path %s\n",
329 /**********************************************************************
330 Gets valid referrals for a dfs path and fills up the
331 junction_map structure
332 **********************************************************************/
333 BOOL
get_referred_path(char *pathname
, struct junction_map
* jn
,
334 int* consumedcntp
, BOOL
* self_referralp
)
338 struct connection_struct conns
;
339 struct connection_struct
* conn
= &conns
;
343 BOOL self_referral
= False
;
345 if (!pathname
|| !jn
)
349 *self_referralp
= False
;
351 self_referralp
= &self_referral
;
353 parse_dfs_path(pathname
, &dp
);
355 /* Verify hostname in path */
356 if (local_machine
&& (strcasecmp(local_machine
, dp
.hostname
) != 0)) {
358 /* Hostname mismatch, check if one of our IP addresses */
359 if (!ismyip(*interpret_addr2(dp
.hostname
))) {
361 DEBUG(3, ("get_referred_path: Invalid hostname %s in path %s\n",
362 dp
.hostname
, pathname
));
367 pstrcpy(jn
->service_name
, dp
.servicename
);
368 pstrcpy(jn
->volume_name
, dp
.reqpath
);
370 /* Verify the share is a dfs root */
371 snum
= lp_servicenumber(jn
->service_name
);
373 if ((snum
= find_service(jn
->service_name
)) < 0)
377 pstrcpy(conn_path
, lp_pathname(snum
));
378 if (!create_conn_struct(conn
, snum
, conn_path
))
381 if (!lp_msdfs_root(SNUM(conn
))) {
382 DEBUG(3,("get_referred_path: .%s. in dfs path %s is not a dfs root.\n",
383 dp
.servicename
, pathname
));
387 if (*lp_msdfs_proxy(snum
) != '\0') {
388 struct referral
* ref
;
389 jn
->referral_count
= 1;
390 if ((ref
= (struct referral
*) malloc(sizeof(struct referral
)))
392 DEBUG(0, ("malloc failed for referral\n"));
396 pstrcpy(ref
->alternate_path
, lp_msdfs_proxy(snum
));
397 if (dp
.reqpath
[0] != '\0')
398 pstrcat(ref
->alternate_path
, dp
.reqpath
);
400 ref
->ttl
= REFERRAL_TTL
;
401 jn
->referral_list
= ref
;
403 *consumedcntp
= strlen(pathname
);
407 /* If not remote & not a self referral, return False */
408 if (!resolve_dfs_path(pathname
, &dp
, conn
, False
,
409 &jn
->referral_list
, &jn
->referral_count
,
410 self_referralp
, consumedcntp
)) {
411 if (!*self_referralp
) {
412 DEBUG(3,("get_referred_path: No valid referrals for path %s\n", pathname
));
417 /* if self_referral, fill up the junction map */
418 if (*self_referralp
) {
419 struct referral
* ref
;
420 jn
->referral_count
= 1;
421 if((ref
= (struct referral
*) malloc(sizeof(struct referral
)))
423 DEBUG(0,("malloc failed for referral\n"));
427 pstrcpy(ref
->alternate_path
,pathname
);
429 ref
->ttl
= REFERRAL_TTL
;
430 jn
->referral_list
= ref
;
432 *consumedcntp
= strlen(pathname
);
438 static int setup_ver2_dfs_referral(char* pathname
, char** ppdata
,
439 struct junction_map
* junction
,
443 char* pdata
= *ppdata
;
445 unsigned char uni_requestedpath
[1024];
446 int uni_reqpathoffset1
,uni_reqpathoffset2
;
448 int requestedpathlen
=0;
453 DEBUG(10,("setting up version2 referral\nRequested path:\n"));
455 requestedpathlen
= rpcstr_push(uni_requestedpath
, pathname
, -1,
458 dump_data(10, (const char *) uni_requestedpath
,requestedpathlen
);
460 DEBUG(10,("ref count = %u\n",junction
->referral_count
));
462 uni_reqpathoffset1
= REFERRAL_HEADER_SIZE
+
463 VERSION2_REFERRAL_SIZE
* junction
->referral_count
;
465 uni_reqpathoffset2
= uni_reqpathoffset1
+ requestedpathlen
;
467 uni_curroffset
= uni_reqpathoffset2
+ requestedpathlen
;
469 reply_size
= REFERRAL_HEADER_SIZE
+ VERSION2_REFERRAL_SIZE
*junction
->referral_count
+
470 2 * requestedpathlen
;
471 DEBUG(10,("reply_size: %u\n",reply_size
));
473 /* add up the unicode lengths of all the referral paths */
474 for(i
=0;i
<junction
->referral_count
;i
++) {
475 DEBUG(10,("referral %u : %s\n",i
,junction
->referral_list
[i
].alternate_path
));
476 reply_size
+= (strlen(junction
->referral_list
[i
].alternate_path
)+1)*2;
479 DEBUG(10,("reply_size = %u\n",reply_size
));
480 /* add the unexplained 0x16 bytes */
483 pdata
= Realloc(pdata
,reply_size
);
485 DEBUG(0,("malloc failed for Realloc!\n"));
490 /* copy in the dfs requested paths.. required for offset calculations */
491 memcpy(pdata
+uni_reqpathoffset1
,uni_requestedpath
,requestedpathlen
);
492 memcpy(pdata
+uni_reqpathoffset2
,uni_requestedpath
,requestedpathlen
);
494 /* create the header */
495 SSVAL(pdata
,0,consumedcnt
* 2); /* path consumed */
496 SSVAL(pdata
,2,junction
->referral_count
); /* number of referral in this pkt */
498 SIVAL(pdata
,4,DFSREF_REFERRAL_SERVER
| DFSREF_STORAGE_SERVER
);
500 SIVAL(pdata
,4,DFSREF_STORAGE_SERVER
);
503 /* add the referral elements */
504 for(i
=0;i
<junction
->referral_count
;i
++) {
505 struct referral
* ref
= &(junction
->referral_list
[i
]);
508 SSVAL(pdata
,offset
,2); /* version 2 */
509 SSVAL(pdata
,offset
+2,VERSION2_REFERRAL_SIZE
);
511 SSVAL(pdata
,offset
+4,1);
513 SSVAL(pdata
,offset
+4,0);
514 SSVAL(pdata
,offset
+6,0); /* ref_flags :use path_consumed bytes? */
515 SIVAL(pdata
,offset
+8,ref
->proximity
);
516 SIVAL(pdata
,offset
+12,ref
->ttl
);
518 SSVAL(pdata
,offset
+16,uni_reqpathoffset1
-offset
);
519 SSVAL(pdata
,offset
+18,uni_reqpathoffset2
-offset
);
520 /* copy referred path into current offset */
521 unilen
= rpcstr_push(pdata
+uni_curroffset
, ref
->alternate_path
,
524 SSVAL(pdata
,offset
+20,uni_curroffset
-offset
);
526 uni_curroffset
+= unilen
;
527 offset
+= VERSION2_REFERRAL_SIZE
;
529 /* add in the unexplained 22 (0x16) bytes at the end */
530 memset(pdata
+uni_curroffset
,'\0',0x16);
534 static int setup_ver3_dfs_referral(char* pathname
, char** ppdata
,
535 struct junction_map
* junction
,
539 char* pdata
= *ppdata
;
541 unsigned char uni_reqpath
[1024];
542 int uni_reqpathoffset1
, uni_reqpathoffset2
;
549 DEBUG(10,("setting up version3 referral\n"));
551 reqpathlen
= rpcstr_push(uni_reqpath
, pathname
, -1, STR_TERMINATE
);
553 dump_data(10, (char *) uni_reqpath
,reqpathlen
);
555 uni_reqpathoffset1
= REFERRAL_HEADER_SIZE
+ VERSION3_REFERRAL_SIZE
* junction
->referral_count
;
556 uni_reqpathoffset2
= uni_reqpathoffset1
+ reqpathlen
;
557 reply_size
= uni_curroffset
= uni_reqpathoffset2
+ reqpathlen
;
559 for(i
=0;i
<junction
->referral_count
;i
++) {
560 DEBUG(10,("referral %u : %s\n",i
,junction
->referral_list
[i
].alternate_path
));
561 reply_size
+= (strlen(junction
->referral_list
[i
].alternate_path
)+1)*2;
564 pdata
= Realloc(pdata
,reply_size
);
566 DEBUG(0,("version3 referral setup: malloc failed for Realloc!\n"));
571 /* create the header */
572 SSVAL(pdata
,0,consumedcnt
* 2); /* path consumed */
573 SSVAL(pdata
,2,junction
->referral_count
); /* number of referral */
575 SIVAL(pdata
,4,DFSREF_REFERRAL_SERVER
| DFSREF_STORAGE_SERVER
);
577 SIVAL(pdata
,4,DFSREF_STORAGE_SERVER
);
579 /* copy in the reqpaths */
580 memcpy(pdata
+uni_reqpathoffset1
,uni_reqpath
,reqpathlen
);
581 memcpy(pdata
+uni_reqpathoffset2
,uni_reqpath
,reqpathlen
);
584 for(i
=0;i
<junction
->referral_count
;i
++) {
585 struct referral
* ref
= &(junction
->referral_list
[i
]);
588 SSVAL(pdata
,offset
,3); /* version 3 */
589 SSVAL(pdata
,offset
+2,VERSION3_REFERRAL_SIZE
);
591 SSVAL(pdata
,offset
+4,1);
593 SSVAL(pdata
,offset
+4,0);
595 SSVAL(pdata
,offset
+6,0); /* ref_flags :use path_consumed bytes? */
596 SIVAL(pdata
,offset
+8,ref
->ttl
);
598 SSVAL(pdata
,offset
+12,uni_reqpathoffset1
-offset
);
599 SSVAL(pdata
,offset
+14,uni_reqpathoffset2
-offset
);
600 /* copy referred path into current offset */
601 unilen
= rpcstr_push(pdata
+uni_curroffset
,ref
->alternate_path
,
602 -1, STR_UNICODE
| STR_TERMINATE
);
603 SSVAL(pdata
,offset
+16,uni_curroffset
-offset
);
604 /* copy 0x10 bytes of 00's in the ServiceSite GUID */
605 memset(pdata
+offset
+18,'\0',16);
607 uni_curroffset
+= unilen
;
608 offset
+= VERSION3_REFERRAL_SIZE
;
613 /******************************************************************
614 * Set up the Dfs referral for the dfs pathname
615 ******************************************************************/
617 int setup_dfs_referral(char* pathname
, int max_referral_level
, char** ppdata
)
619 struct junction_map junction
;
621 BOOL self_referral
= False
;
624 char *pathnamep
= pathname
;
626 ZERO_STRUCT(junction
);
628 /* get the junction entry */
632 /* Trim pathname sent by client so it begins with only one backslash.
633 Two backslashes confuse some dfs clients
635 while (pathnamep
[0] == '\\' && pathnamep
[1] == '\\')
638 pstrcpy(buf
, pathnamep
);
639 if (!get_referred_path(buf
, &junction
, &consumedcnt
,
645 pathnamep
[consumedcnt
] = '\0';
647 if( DEBUGLVL( 3 ) ) {
649 dbgtext("setup_dfs_referral: Path %s to alternate path(s):",pathnamep
);
650 for(i
=0;i
<junction
.referral_count
;i
++)
651 dbgtext(" %s",junction
.referral_list
[i
].alternate_path
);
656 /* create the referral depeding on version */
657 DEBUG(10,("max_referral_level :%d\n",max_referral_level
));
658 if(max_referral_level
<2 || max_referral_level
>3)
659 max_referral_level
= 2;
661 switch(max_referral_level
) {
664 reply_size
= setup_ver2_dfs_referral(pathnamep
, ppdata
, &junction
,
665 consumedcnt
, self_referral
);
666 SAFE_FREE(junction
.referral_list
);
671 reply_size
= setup_ver3_dfs_referral(pathnamep
, ppdata
, &junction
,
672 consumedcnt
, self_referral
);
673 SAFE_FREE(junction
.referral_list
);
678 DEBUG(0,("setup_dfs_referral: Invalid dfs referral version: %d\n", max_referral_level
));
683 DEBUG(10,("DFS Referral pdata:\n"));
684 dump_data(10,*ppdata
,reply_size
);
688 /**********************************************************************
689 The following functions are called by the NETDFS RPC pipe functions
690 **********************************************************************/
692 /**********************************************************************
693 Creates a junction structure from a Dfs pathname
694 **********************************************************************/
695 BOOL
create_junction(char* pathname
, struct junction_map
* jn
)
699 parse_dfs_path(pathname
,&dp
);
701 /* check if path is dfs : validate first token */
702 if (local_machine
&& (strcasecmp(local_machine
,dp
.hostname
)!=0)) {
704 /* Hostname mismatch, check if one of our IP addresses */
705 if (!ismyip(*interpret_addr2(dp
.hostname
))) {
706 DEBUG(4,("create_junction: Invalid hostname %s in dfs path %s\n",
707 dp
.hostname
, pathname
));
712 /* Check for a non-DFS share */
713 if(!lp_msdfs_root(lp_servicenumber(dp
.servicename
))) {
714 DEBUG(4,("create_junction: %s is not an msdfs root.\n",
719 pstrcpy(jn
->service_name
,dp
.servicename
);
720 pstrcpy(jn
->volume_name
,dp
.reqpath
);
724 /**********************************************************************
725 Forms a valid Unix pathname from the junction
726 **********************************************************************/
728 static BOOL
junction_to_local_path(struct junction_map
* jn
, char* path
,
729 int max_pathlen
, connection_struct
*conn
)
737 snum
= lp_servicenumber(jn
->service_name
);
741 safe_strcpy(path
, lp_pathname(snum
), max_pathlen
-1);
742 safe_strcat(path
, "/", max_pathlen
-1);
743 strlower(jn
->volume_name
);
744 safe_strcat(path
, jn
->volume_name
, max_pathlen
-1);
746 pstrcpy(conn_path
, lp_pathname(snum
));
747 if (!create_conn_struct(conn
, snum
, conn_path
))
753 BOOL
create_msdfs_link(struct junction_map
* jn
, BOOL exists
)
757 connection_struct conns
;
758 connection_struct
*conn
= &conns
;
760 BOOL insert_comma
= False
;
762 if(!junction_to_local_path(jn
, path
, sizeof(path
), conn
))
765 /* form the msdfs_link contents */
766 pstrcpy(msdfs_link
, "msdfs:");
767 for(i
=0; i
<jn
->referral_count
; i
++) {
768 char* refpath
= jn
->referral_list
[i
].alternate_path
;
770 trim_string(refpath
, "\\", "\\");
771 if(*refpath
== '\0') {
773 insert_comma
= False
;
776 if (i
> 0 && insert_comma
)
777 pstrcat(msdfs_link
, ",");
779 pstrcat(msdfs_link
, refpath
);
785 DEBUG(5,("create_msdfs_link: Creating new msdfs link: %s -> %s\n", path
, msdfs_link
));
788 if(conn
->vfs_ops
.unlink(conn
,path
)!=0)
791 if(conn
->vfs_ops
.symlink(conn
, msdfs_link
, path
) < 0) {
792 DEBUG(1,("create_msdfs_link: symlink failed %s -> %s\nError: %s\n",
793 path
, msdfs_link
, strerror(errno
)));
799 BOOL
remove_msdfs_link(struct junction_map
* jn
)
802 connection_struct conns
;
803 connection_struct
*conn
= &conns
;
805 if(!junction_to_local_path(jn
, path
, sizeof(path
), conn
))
808 if(conn
->vfs_ops
.unlink(conn
, path
)!=0)
814 static BOOL
form_junctions(int snum
, struct junction_map
* jn
, int* jn_count
)
819 pstring connect_path
;
820 char* service_name
= lp_servicename(snum
);
821 connection_struct conns
;
822 connection_struct
*conn
= &conns
;
823 struct referral
*ref
= NULL
;
825 pstrcpy(connect_path
,lp_pathname(snum
));
827 if(*connect_path
== '\0')
831 * Fake up a connection struct for the VFS layer.
834 if (!create_conn_struct(conn
, snum
, connect_path
))
837 /* form a junction for the msdfs root - convention
838 DO NOT REMOVE THIS: NT clients will not work with us
839 if this is not present
841 pstrcpy(jn
[cnt
].service_name
, service_name
);
842 jn
[cnt
].volume_name
[0] = '\0';
843 jn
[cnt
].referral_count
= 1;
845 ref
= jn
[cnt
].referral_list
846 = (struct referral
*) malloc(sizeof(struct referral
));
847 if (jn
[cnt
].referral_list
== NULL
) {
848 DEBUG(0, ("Malloc failed!\n"));
853 ref
->ttl
= REFERRAL_TTL
;
854 if (*lp_msdfs_proxy(snum
) != '\0') {
855 pstrcpy(ref
->alternate_path
, lp_msdfs_proxy(snum
));
860 slprintf(ref
->alternate_path
, sizeof(pstring
)-1,
861 "\\\\%s\\%s", local_machine
, service_name
);
864 /* Now enumerate all dfs links */
865 dirp
= conn
->vfs_ops
.opendir(conn
, connect_path
);
869 while((dname
= vfs_readdirname(conn
, dirp
)) != NULL
) {
872 pstrcpy(pathreal
, connect_path
);
873 pstrcat(pathreal
, "/");
874 pstrcat(pathreal
, dname
);
876 if (is_msdfs_link(conn
, pathreal
, &(jn
[cnt
].referral_list
),
877 &(jn
[cnt
].referral_count
), NULL
)) {
878 pstrcpy(jn
[cnt
].service_name
, service_name
);
879 pstrcpy(jn
[cnt
].volume_name
, dname
);
884 conn
->vfs_ops
.closedir(conn
,dirp
);
889 int enum_msdfs_links(struct junction_map
* jn
)
897 for(i
=0;*lp_servicename(i
);i
++) {
899 form_junctions(i
,jn
,&jn_count
);