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-rw-r--r--source3/include/proto.h1
-rw-r--r--source3/smbd/files.c43
-rw-r--r--source3/smbd/reply.c10
3 files changed, 54 insertions, 0 deletions
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 27b4ce9604..ce31640272 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -6520,6 +6520,7 @@ files_struct *file_find_fsp(files_struct *orig_fsp);
files_struct *file_find_di_first(struct file_id id);
files_struct *file_find_di_next(files_struct *start_fsp);
files_struct *file_find_print(void);
+bool file_find_subpath(files_struct *dir_fsp);
void file_sync_all(connection_struct *conn);
void file_free(struct smb_request *req, files_struct *fsp);
files_struct *file_fnum(uint16 fnum);
diff --git a/source3/smbd/files.c b/source3/smbd/files.c
index efaadffc06..36e80a086a 100644
--- a/source3/smbd/files.c
+++ b/source3/smbd/files.c
@@ -356,6 +356,49 @@ files_struct *file_find_print(void)
}
/****************************************************************************
+ Find any fsp open with a pathname below that of an already open path.
+****************************************************************************/
+
+bool file_find_subpath(files_struct *dir_fsp)
+{
+ files_struct *fsp;
+ size_t dlen;
+ char *d_fullname = talloc_asprintf(talloc_tos(),
+ "%s/%s",
+ dir_fsp->conn->connectpath,
+ dir_fsp->fsp_name);
+
+ if (!d_fullname) {
+ return false;
+ }
+
+ dlen = strlen(d_fullname);
+
+ for (fsp=Files;fsp;fsp=fsp->next) {
+ char *d1_fullname;
+
+ if (fsp == dir_fsp) {
+ continue;
+ }
+
+ d1_fullname = talloc_asprintf(talloc_tos(),
+ "%s/%s",
+ fsp->conn->connectpath,
+ fsp->fsp_name);
+
+ if (strnequal(d_fullname, d1_fullname, dlen)) {
+ TALLOC_FREE(d_fullname);
+ TALLOC_FREE(d1_fullname);
+ return true;
+ }
+ TALLOC_FREE(d1_fullname);
+ }
+
+ TALLOC_FREE(d_fullname);
+ return false;
+}
+
+/****************************************************************************
Sync open files on a connection.
****************************************************************************/
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 80ed019e0f..22e4c1aad7 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -2214,6 +2214,16 @@ static NTSTATUS can_rename(connection_struct *conn, files_struct *fsp,
}
if (S_ISDIR(pst->st_mode)) {
+ if (fsp->posix_open) {
+ return NT_STATUS_OK;
+ }
+
+ /* If no pathnames are open below this
+ directory, allow the rename. */
+
+ if (file_find_subpath(fsp)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
return NT_STATUS_OK;
}