/* Reset sec back to its initial state.
** Caller holds any relevant locks.
*/
void
ssl_ResetSecurityInfo(sslSecurityInfo *sec, PRBool doMemset)
{
if (sec->localCert) {
CERT_DestroyCertificate(sec->localCert);
sec->localCert = NULL;
}
if (sec->peerCert) {
CERT_DestroyCertificate(sec->peerCert);
sec->peerCert = NULL;
}
if (sec->peerKey) {
SECKEY_DestroyPublicKey(sec->peerKey);
sec->peerKey = NULL;
}
/* cleanup the ci */
if (sec->ci.sid != NULL) {
ssl_FreeSID(sec->ci.sid);
}
PORT_ZFree(sec->ci.sendBuf.buf, sec->ci.sendBuf.space);
if (doMemset) {
memset(&sec->ci, 0, sizeof sec->ci);
}
}
/* Reset sec back to its initial state.
** Caller holds any relevant locks.
*/
void
ssl_ResetSecurityInfo(sslSecurityInfo *sec, PRBool doMemset)
{
/* Destroy MAC */
if (sec->hash && sec->hashcx) {
(*sec->hash->destroy)(sec->hashcx, PR_TRUE);
sec->hashcx = NULL;
sec->hash = NULL;
}
SECITEM_ZfreeItem(&sec->sendSecret, PR_FALSE);
SECITEM_ZfreeItem(&sec->rcvSecret, PR_FALSE);
/* Destroy ciphers */
if (sec->destroy) {
(*sec->destroy)(sec->readcx, PR_TRUE);
(*sec->destroy)(sec->writecx, PR_TRUE);
sec->readcx = NULL;
sec->writecx = NULL;
} else {
PORT_Assert(sec->readcx == 0);
PORT_Assert(sec->writecx == 0);
}
sec->readcx = 0;
sec->writecx = 0;
if (sec->localCert) {
CERT_DestroyCertificate(sec->localCert);
sec->localCert = NULL;
}
if (sec->peerCert) {
CERT_DestroyCertificate(sec->peerCert);
sec->peerCert = NULL;
}
if (sec->peerKey) {
SECKEY_DestroyPublicKey(sec->peerKey);
sec->peerKey = NULL;
}
/* cleanup the ci */
if (sec->ci.sid != NULL) {
ssl_FreeSID(sec->ci.sid);
}
PORT_ZFree(sec->ci.sendBuf.buf, sec->ci.sendBuf.space);
if (doMemset) {
memset(&sec->ci, 0, sizeof sec->ci);
}
}
/* Sends out the initial client Hello message on the connection.
* Acquires and releases the socket's xmitBufLock.
*/
SECStatus
ssl_BeginClientHandshake(sslSocket *ss)
{
sslSessionID *sid;
SECStatus rv;
PORT_Assert(ss->opt.noLocks || ssl_Have1stHandshakeLock(ss));
ss->sec.isServer = PR_FALSE;
ssl_ChooseSessionIDProcs(&ss->sec);
rv = ssl_CheckConfigSanity(ss);
if (rv != SECSuccess)
goto loser;
/* Get peer name of server */
rv = ssl_GetPeerInfo(ss);
if (rv < 0) {
#ifdef HPUX11
/*
* On some HP-UX B.11.00 systems, getpeername() occasionally
* fails with ENOTCONN after a successful completion of
* non-blocking connect. I found that if we do a write()
* and then retry getpeername(), it will work.
*/
if (PR_GetError() == PR_NOT_CONNECTED_ERROR) {
char dummy;
(void)PR_Write(ss->fd->lower, &dummy, 0);
rv = ssl_GetPeerInfo(ss);
if (rv < 0) {
goto loser;
}
}
#else
goto loser;
#endif
}
SSL_TRC(3, ("%d: SSL[%d]: sending client-hello", SSL_GETPID(), ss->fd));
/* Try to find server in our session-id cache */
if (ss->opt.noCache) {
sid = NULL;
} else {
sid = ssl_LookupSID(&ss->sec.ci.peer, ss->sec.ci.port, ss->peerID,
ss->url);
}
if (sid) {
if (sid->version >= ss->vrange.min && sid->version <= ss->vrange.max) {
PORT_Assert(!ss->sec.localCert);
ss->sec.localCert = CERT_DupCertificate(sid->localCert);
} else {
ss->sec.uncache(sid);
ssl_FreeSID(sid);
sid = NULL;
}
}
if (!sid) {
sid = PORT_ZNew(sslSessionID);
if (!sid) {
goto loser;
}
sid->references = 1;
sid->cached = never_cached;
sid->addr = ss->sec.ci.peer;
sid->port = ss->sec.ci.port;
if (ss->peerID != NULL) {
sid->peerID = PORT_Strdup(ss->peerID);
}
if (ss->url != NULL) {
sid->urlSvrName = PORT_Strdup(ss->url);
}
}
ss->sec.ci.sid = sid;
PORT_Assert(sid != NULL);
ss->gs.state = GS_INIT;
ss->handshake = ssl_GatherRecord1stHandshake;
/* ssl3_SendClientHello will override this if it succeeds. */
ss->version = SSL_LIBRARY_VERSION_3_0;
ssl_GetSSL3HandshakeLock(ss);
ssl_GetXmitBufLock(ss);
rv = ssl3_SendClientHello(ss, client_hello_initial);
ssl_ReleaseXmitBufLock(ss);
ssl_ReleaseSSL3HandshakeLock(ss);
return rv;
loser:
return SECFailure;
}
