/*

 * NSS utility functions

 *

 * 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/. */

#include "prtypes.h"

#include "prinit.h"

#include "nss.h"

#include "seccomon.h"

#include "secerr.h"

#include "ssl.h"

#include "sslimpl.h"

#include "sslproto.h"

static PRCallOnceType ssl_init = { 0 };

PR_STATIC_ASSERT(sizeof(unsigned long) <= sizeof(PRUint64));

static SECStatus

ssl_InitShutdown(void *appData, void *nssData)

{

    memset(&ssl_init, 0, sizeof(ssl_init));

    return SECSuccess;

}

PRStatus

ssl_InitCallOnce(void *arg)

{

    int *error = (int *)arg;

    SECStatus rv;

    rv = ssl_InitializePRErrorTable();

    if (rv != SECSuccess) {

        *error = SEC_ERROR_NO_MEMORY;

        return PR_FAILURE;

    }

#ifdef DEBUG

    ssl3_CheckCipherSuiteOrderConsistency();

#endif

    rv = ssl3_ApplyNSSPolicy();

    if (rv != SECSuccess) {

        *error = PORT_GetError();

        return PR_FAILURE;

    }

    rv = NSS_RegisterShutdown(ssl_InitShutdown, NULL);

    if (rv != SECSuccess) {

        *error = PORT_GetError();

        return PR_FAILURE;

    }

    return PR_SUCCESS;

}

SECStatus

ssl_Init(void)

{

    int error;

    PRStatus nrv = PR_CallOnceWithArg(&ssl_init, ssl_InitCallOnce, &error);

    if (nrv != PR_SUCCESS) {

        PORT_SetError(error);

        return SECFailure;

    }

    return SECSuccess;

}