/*

 * Accessor functions for SSLSocket private members.

 *

 * 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 "cert.h"

#include "ssl.h"

#include "certt.h"

#include "sslimpl.h"

/* given PRFileDesc, returns a copy of certificate associated with the socket

 * the caller should delete the cert when done with SSL_DestroyCertificate

 */

CERTCertificate *

SSL_RevealCert(PRFileDesc *fd)

{

    CERTCertificate *cert = NULL;

    sslSocket *sslsocket = NULL;

    sslsocket = ssl_FindSocket(fd);

    /* CERT_DupCertificate increases reference count and returns pointer to

     * the same cert

     */

    if (sslsocket && sslsocket->sec.peerCert)

        cert = CERT_DupCertificate(sslsocket->sec.peerCert);

    return cert;

}

/* given PRFileDesc, returns a pointer to PinArg associated with the socket

 */

void *

SSL_RevealPinArg(PRFileDesc *fd)

{

    sslSocket *sslsocket = NULL;

    void *PinArg = NULL;

    sslsocket = ssl_FindSocket(fd);

    /* is pkcs11PinArg part of the sslSocket or sslSecurityInfo ? */

    if (sslsocket)

        PinArg = sslsocket->pkcs11PinArg;

    return PinArg;

}

/* given PRFileDesc, returns a pointer to the URL associated with the socket

 * the caller should free url when done

 */

char *

SSL_RevealURL(PRFileDesc *fd)

{

    sslSocket *sslsocket = NULL;

    char *url = NULL;

    sslsocket = ssl_FindSocket(fd);

    if (sslsocket && sslsocket->url)

        url = PL_strdup(sslsocket->url);

    return url;

}

/* given PRFileDesc, returns status information related to extensions

 * negotiated with peer during the handshake.

 */

SECStatus

SSL_HandshakeNegotiatedExtension(PRFileDesc *socket,

                                 SSLExtensionType extId,

                                 PRBool *pYes)

{

    /* some decisions derived from SSL_GetChannelInfo */

    sslSocket *sslsocket = NULL;

    if (!pYes) {

        PORT_SetError(SEC_ERROR_INVALID_ARGS);

        return SECFailure;

    }

    sslsocket = ssl_FindSocket(socket);

    if (!sslsocket) {

        SSL_DBG(("%d: SSL[%d]: bad socket in HandshakeNegotiatedExtension",

                 SSL_GETPID(), socket));

        return SECFailure;

    }

    *pYes = PR_FALSE;

    /* according to public API SSL_GetChannelInfo, this doesn't need a lock */

    if (sslsocket->opt.useSecurity) {

        /* now we know this socket went through ssl3_InitState() and

         * ss->xtnData got initialized, which is the only member accessed by

         * ssl3_ExtensionNegotiated();

         * Member xtnData appears to get accessed in functions that handle

         * the handshake (hello messages and extension sending),

         * therefore the handshake lock should be sufficient.

         */

        ssl_GetSSL3HandshakeLock(sslsocket);

        *pYes = ssl3_ExtensionNegotiated(sslsocket, extId);

        ssl_ReleaseSSL3HandshakeLock(sslsocket);

    }

    return SECSuccess;

}