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authorRichard Sharpe <realrichardsharpe@gmail.com>2013-08-18 07:34:31 -0700
committerJeremy Allison <jra@samba.org>2013-08-19 22:21:34 +0200
commit74829fecd7a4e806ee441cd75141bede2eefef1a (patch)
treee47286eebe0af599bfa5386b198097bf575aba83 /source3
parent02618cc58a49864bd0bf280d9f13a7f39fcf9658 (diff)
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Fix bug #10097 - MacOSX 10.9 will not follow path-based DFS referrals handed out by Samba.
Windows overloads the EA Length field in the DIRECTORY INFO leves of FIND FIRST/FIND NEXT. This field indicates either the REPARSE_TAG if the file/folder has a reparse proint or the EA Length if it has EAs, and is the fundamental reason you cannot have both on a file or folder. Signed-off-by: Richard Sharpe <rsharpe@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Mon Aug 19 22:21:34 CEST 2013 on sn-devel-104
Diffstat (limited to 'source3')
-rw-r--r--source3/include/ntioctl.h1
-rw-r--r--source3/smbd/dosmode.c5
-rw-r--r--source3/smbd/trans2.c19
3 files changed, 19 insertions, 6 deletions
diff --git a/source3/include/ntioctl.h b/source3/include/ntioctl.h
index e09e1c85db..65bed645b5 100644
--- a/source3/include/ntioctl.h
+++ b/source3/include/ntioctl.h
@@ -26,6 +26,7 @@
#define IO_REPARSE_TAG_MOUNT_POINT 0xA0000003
#define IO_REPARSE_TAG_HSM 0xC0000004
#define IO_REPARSE_TAG_SIS 0x80000007
+#define IO_REPARSE_TAG_DFS 0x8000000A
/* For FSCTL_GET_SHADOW_COPY_DATA ...*/
diff --git a/source3/smbd/dosmode.c b/source3/smbd/dosmode.c
index a6ad107a01..2d07dd9aa7 100644
--- a/source3/smbd/dosmode.c
+++ b/source3/smbd/dosmode.c
@@ -489,6 +489,11 @@ uint32 dos_mode_msdfs(connection_struct *conn,
result = filter_mode_by_protocol(result);
+ /*
+ * Add in that it is a reparse point
+ */
+ result |= FILE_ATTRIBUTE_REPARSE_POINT;
+
DEBUG(8,("dos_mode_msdfs returning "));
if (result & FILE_ATTRIBUTE_HIDDEN) DEBUG(8, ("h"));
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index 2bff483d70..81f80c3bcb 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -24,6 +24,7 @@
*/
#include "includes.h"
+#include "ntioctl.h"
#include "system/filesys.h"
#include "version.h"
#include "smbd/smbd.h"
@@ -1817,12 +1818,14 @@ static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
SOFF_T(p,0,allocation_size); p += 8;
SIVAL(p,0,mode); p += 4;
q = p; p += 4; /* q is placeholder for name length. */
- {
+ if (mode & FILE_ATTRIBUTE_REPARSE_POINT) {
+ SIVAL(p, 0, IO_REPARSE_TAG_DFS);
+ } else {
unsigned int ea_size = estimate_ea_size(conn, NULL,
smb_fname);
SIVAL(p,0,ea_size); /* Extended attributes */
- p += 4;
}
+ p += 4;
/* Clear the short name buffer. This is
* IMPORTANT as not doing so will trigger
* a Win2k client bug. JRA.
@@ -1994,12 +1997,14 @@ static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
SOFF_T(p,0,allocation_size); p += 8;
SIVAL(p,0,mode); p += 4;
q = p; p += 4; /* q is placeholder for name length. */
- {
+ if (mode & FILE_ATTRIBUTE_REPARSE_POINT) {
+ SIVAL(p, 0, IO_REPARSE_TAG_DFS);
+ } else {
unsigned int ea_size = estimate_ea_size(conn, NULL,
smb_fname);
SIVAL(p,0,ea_size); /* Extended attributes */
- p +=4;
}
+ p += 4;
SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
SBVAL(p,0,file_index); p += 8;
len = srvstr_push(base_data, flags2, p,
@@ -2040,12 +2045,14 @@ static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
SOFF_T(p,0,allocation_size); p += 8;
SIVAL(p,0,mode); p += 4;
q = p; p += 4; /* q is placeholder for name length */
- {
+ if (mode & FILE_ATTRIBUTE_REPARSE_POINT) {
+ SIVAL(p, 0, IO_REPARSE_TAG_DFS);
+ } else {
unsigned int ea_size = estimate_ea_size(conn, NULL,
smb_fname);
SIVAL(p,0,ea_size); /* Extended attributes */
- p +=4;
}
+ p += 4;
/* Clear the short name buffer. This is
* IMPORTANT as not doing so will trigger
* a Win2k client bug. JRA.