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authorChristof Schmitt <christof.schmitt@us.ibm.com>2013-08-29 19:36:00 +0200
committerJeremy Allison <jra@samba.org>2013-09-10 22:38:50 +0200
commitc8c0632c871e838fc4465b2a69b4e059e9a126c0 (patch)
tree05f294c36a8c2c07268b5ab25cf9bb28bc683c3b /source3
parent6bd5fef77dc89e925c65af8788528b226edf4fb7 (diff)
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s3:smb2_find: Return that timestamps do not exist as directories
When a Windows client receives a large directory listing while querying snapshots, it sends a find request asking for the timestamp as a directory. A Windows server returns NO_SUCH_FILE, so make sure Samba returns the same. Otherwise the client will get confused and display timestamps in the 'previous versions' dialog. Signed-off-by: Christof Schmitt <christof.schmitt@us.ibm.com> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Tue Sep 10 22:38:51 CEST 2013 on sn-devel-104
Diffstat (limited to 'source3')
-rw-r--r--source3/include/smb.h3
-rw-r--r--source3/modules/vfs_shadow_copy2.c3
-rw-r--r--source3/smbd/smb2_find.c13
3 files changed, 16 insertions, 3 deletions
diff --git a/source3/include/smb.h b/source3/include/smb.h
index b6b04a4d9b..12882221e3 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -567,6 +567,9 @@ Offset Data length.
#define NOTIFY_ACTION_REMOVED_STREAM 7
#define NOTIFY_ACTION_MODIFIED_STREAM 8
+/* timestamp format used in "previous versions" */
+#define GMT_NAME_LEN 24 /* length of a @GMT- name */
+#define GMT_FORMAT "@GMT-%Y.%m.%d-%H.%M.%S"
/* where to find the base of the SMB packet proper */
#define smb_base(buf) (((const char *)(buf))+4)
diff --git a/source3/modules/vfs_shadow_copy2.c b/source3/modules/vfs_shadow_copy2.c
index 60f9628600..aa7e50ff51 100644
--- a/source3/modules/vfs_shadow_copy2.c
+++ b/source3/modules/vfs_shadow_copy2.c
@@ -107,9 +107,6 @@
#include <ccan/hash/hash.h>
#include "util_tdb.h"
-#define GMT_NAME_LEN 24 /* length of a @GMT- name */
-#define GMT_FORMAT "@GMT-%Y.%m.%d-%H.%M.%S"
-
static bool shadow_copy2_find_slashes(TALLOC_CTX *mem_ctx, const char *str,
size_t **poffsets,
unsigned *pnum_offsets)
diff --git a/source3/smbd/smb2_find.c b/source3/smbd/smb2_find.c
index c2c0559371..c39a35d526 100644
--- a/source3/smbd/smb2_find.c
+++ b/source3/smbd/smb2_find.c
@@ -224,6 +224,8 @@ static struct tevent_req *smbd_smb2_find_send(TALLOC_CTX *mem_ctx,
uint32_t dirtype = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_DIRECTORY;
bool dont_descend = false;
bool ask_sharemode = true;
+ struct tm tm;
+ char *p;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_find_state);
@@ -259,6 +261,17 @@ static struct tevent_req *smbd_smb2_find_send(TALLOC_CTX *mem_ctx,
return tevent_req_post(req, ev);
}
+ p = strptime(in_file_name, GMT_FORMAT, &tm);
+ if ((p != NULL) && (*p =='\0')) {
+ /*
+ * Bogus find that asks for a shadow copy timestamp as a
+ * directory. The correct response is that it does not exist as
+ * a directory.
+ */
+ tevent_req_nterror(req, NT_STATUS_NO_SUCH_FILE);
+ return tevent_req_post(req, ev);
+ }
+
if (in_output_buffer_length > smb2req->sconn->smb2.max_trans) {
DEBUG(2,("smbd_smb2_find_send: "
"client ignored max trans:%s: 0x%08X: 0x%08X\n",