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/*
* PKCS #11 FIPS Power-Up Self Test.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* $Id: fipstest.c,v 1.31 2012/06/28 17:55:06 rrelyea%redhat.com Exp $ */
#include "seccomon.h"
#include "lgdb.h"
#include "blapi.h"
/*
* different platforms have different ways of calling and initial entry point
* when the dll/.so is loaded. Most platforms support either a posix pragma
* or the GCC attribute. Some platforms suppor a pre-defined name, and some
* platforms have a link line way of invoking this function.
*/
/* The pragma */
#if defined(USE_INIT_PRAGMA)
#pragma init(lg_startup_tests)
#endif
/* GCC Attribute */
#if defined(__GNUC__) && !defined(NSS_NO_INIT_SUPPORT)
#define INIT_FUNCTION __attribute__((constructor))
#else
#define INIT_FUNCTION
#endif
static void INIT_FUNCTION lg_startup_tests(void);
/* Windows pre-defined entry */
#if defined(XP_WIN) && !defined(NSS_NO_INIT_SUPPORT)
#include <windows.h>
BOOL WINAPI DllMain(
HINSTANCE hinstDLL, // handle to DLL module
DWORD fdwReason, // reason for calling function
LPVOID lpReserved) // reserved
{
// Perform actions based on the reason for calling.
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
// Initialize once for each new process.
// Return FALSE to fail DLL load.
lg_startup_tests();
break;
case DLL_THREAD_ATTACH:
// Do thread-specific initialization.
break;
case DLL_THREAD_DETACH:
// Do thread-specific cleanup.
break;
case DLL_PROCESS_DETACH:
// Perform any necessary cleanup.
break;
}
return TRUE; // Successful DLL_PROCESS_ATTACH.
}
#endif
static PRBool lg_self_tests_ran = PR_FALSE;
static PRBool lg_self_tests_success = PR_FALSE;
static void
lg_local_function(void)
{
}
/*
* This function is called at dll load time, the code tha makes this
* happen is platform specific on defined above.
*/
static void
lg_startup_tests(void)
{
const char *libraryName = LG_LIB_NAME;
PORT_Assert(!lg_self_tests_ran);
PORT_Assert(!lg_self_tests_success);
lg_self_tests_ran = PR_TRUE;
lg_self_tests_success = PR_FALSE; /* just in case */
/* no self tests required for the legacy db, only the integrity check */
/* check the integrity of our shared library */
if (!BLAPI_SHVerify(libraryName, (PRFuncPtr)&lg_local_function)) {
/* something is wrong with the library, fail without enabling
* the fips token */
return;
}
/* FIPS product has been installed and is functioning, allow
* the module to operate in fips mode */
lg_self_tests_success = PR_TRUE;
}
PRBool
lg_FIPSEntryOK()
{
#ifdef NSS_NO_INIT_SUPPORT
/* this should only be set on platforms that can't handle one of the INIT
* schemes. This code allows those platforms to continue to function,
* though they don't meet the strict NIST requirements. If NO_INIT_SUPPORT
* is not set, and init support has not been properly enabled, softken
* will always fail because of the test below */
if (!lg_self_tests_ran) {
lg_startup_tests();
}
#endif
return lg_self_tests_success;
}
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