DONOTLAND: Start of PK11 password dialog for Linux/NSS

base/nss_util_internal.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_NSS_SLOT_UTIL_H_
 #define BASE_NSS_SLOT_UTIL_H_
 #pragma once
 
 #include <secmodt.h>
 
 // These functions return a type defined in an NSS header, and so cannot be
 // declared in nss_util.h.  Hence, they are declared here.
 
 namespace base {
 
 // Returns a reference to the default NSS key slot. Caller must release
 // reference with PK11_FreeSlot.
 PK11SlotInfo* GetDefaultNSSKeySlot();
 
+// PK11_SetPasswordFunc is a global setting. To avoid a dependency on
+// network code, we instead pass a PK11BlockingPasswordDelegate in the
+// user data argument and set a global password hook to call it
+// instead.
+class PK11BlockingPasswordDelegate {
+ public:
+  virtual ~PK11BlockingPasswordDelegate() {}
+
+  // Requests a password to unlock |slot|. The interface is
+  // synchronous because NSS cannot issue an asynchronous
+  // request. |retry| is PR_TRUE if this is a request for the retry
+  // and we previously returned the wrong password.
+  //
+  // Result will be zeroed and freed after use. If not NULL, must have
+  // been allocated with PR_Malloc or PL_strdup.
+  virtual char* RequestPassword(PK11SlotInfo* slot, PRBool retry) = 0;
+};
+
 }  // namespace base
 
 #endif  // BASE_NSS_UTIL_H_