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authorVolker Lendecke <vl@samba.org>2013-08-19 10:26:00 +0000
committerVolker Lendecke <vl@samba.org>2013-08-26 12:14:26 +0200
commit76142780fb6d69bdf6e15ea27b0436da3fa49fae (patch)
treec234f8769084a463d04149a6ab476b697962f6b6 /source3
parent84b8bddd7d6845f389444e57d2029f2a954dfcd5 (diff)
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smbd: Simplify dropbox special case in unix_convert
EACCESS needs special treatment: If we want to create a fresh file, return OBJECT_PATH_NOT_FOUND, so that the client will continue creating the file. If the client wants us to open a potentially existing file, we need to correctly return ACCESS_DENIED. This patch makes this behaviour hopefully a bit clearer than the code before did. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Volker Lendecke <vl@samba.org> Autobuild-Date(master): Mon Aug 26 12:14:26 CEST 2013 on sn-devel-104
Diffstat (limited to 'source3')
-rw-r--r--source3/smbd/filename.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/source3/smbd/filename.c b/source3/smbd/filename.c
index 4384f5a5c0..68321eebbb 100644
--- a/source3/smbd/filename.c
+++ b/source3/smbd/filename.c
@@ -718,13 +718,30 @@ NTSTATUS unix_convert(TALLOC_CTX *ctx,
/*
* ENOENT/EACCESS are the only valid errors
- * here. EACCESS needs handling here for
- * "dropboxes", i.e. directories where users
- * can only put stuff with permission -wx.
+ * here.
*/
- if ((errno != 0) && (errno != ENOENT)
- && ((ucf_flags & UCF_CREATING_FILE) &&
- (errno != EACCES))) {
+
+ if (errno == EACCES) {
+ if (ucf_flags & UCF_CREATING_FILE) {
+ /*
+ * This is the dropbox
+ * behaviour. A dropbox is a
+ * directory with only -wx
+ * permissions, so
+ * get_real_filename fails
+ * with EACCESS, it needs to
+ * list the directory. We
+ * nevertheless want to allow
+ * users creating a file.
+ */
+ status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ } else {
+ status = NT_STATUS_ACCESS_DENIED;
+ }
+ goto fail;
+ }
+
+ if ((errno != 0) && (errno != ENOENT)) {
/*
* ENOTDIR and ELOOP both map to
* NT_STATUS_OBJECT_PATH_NOT_FOUND