/* Acquires and releases HandshakeLock.
*/
SECStatus
SSL_ResetHandshake(PRFileDesc *s, PRBool asServer)
{
sslSocket *ss;
SECStatus status;
PRNetAddr addr;
ss = ssl_FindSocket(s);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in ResetHandshake", SSL_GETPID(), s));
return SECFailure;
}
/* Don't waste my time */
if (!ss->opt.useSecurity)
return SECSuccess;
SSL_LOCK_READER(ss);
SSL_LOCK_WRITER(ss);
/* Reset handshake state */
ssl_Get1stHandshakeLock(ss);
ss->firstHsDone = PR_FALSE;
if ( asServer ) {
ss->handshake = ssl2_BeginServerHandshake;
ss->handshaking = sslHandshakingAsServer;
} else {
ss->handshake = ssl2_BeginClientHandshake;
ss->handshaking = sslHandshakingAsClient;
}
ss->nextHandshake = 0;
ss->securityHandshake = 0;
ssl_GetRecvBufLock(ss);
status = ssl_InitGather(&ss->gs);
ssl_ReleaseRecvBufLock(ss);
ssl_GetSSL3HandshakeLock(ss);
/*
** Blow away old security state and get a fresh setup.
*/
ssl_GetXmitBufLock(ss);
ssl_ResetSecurityInfo(&ss->sec, PR_TRUE);
status = ssl_CreateSecurityInfo(ss);
ssl_ReleaseXmitBufLock(ss);
ssl_ReleaseSSL3HandshakeLock(ss);
ssl_Release1stHandshakeLock(ss);
if (!ss->TCPconnected)
ss->TCPconnected = (PR_SUCCESS == ssl_DefGetpeername(ss, &addr));
SSL_UNLOCK_WRITER(ss);
SSL_UNLOCK_READER(ss);
return status;
}
/*
** Called from SSL_ResetHandshake (above), and
** from ssl_FreeSocket in sslsock.c
** Caller should hold relevant locks (e.g. XmitBufLock)
*/
void
ssl_DestroySecurityInfo(sslSecurityInfo *sec)
{
ssl_ResetSecurityInfo(sec, PR_FALSE);
PORT_ZFree(sec->writeBuf.buf, sec->writeBuf.space);
sec->writeBuf.buf = 0;
memset(sec, 0, sizeof *sec);
}
