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Unified Diff: net/third_party/nss/ssl/sslsock.c

Issue 394003: Linux: enable building with a local version of libssl. (Closed)
Patch Set: ... Created 11 years, 1 month ago
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Index: net/third_party/nss/ssl/sslsock.c
diff --git a/net/third_party/nss/ssl/sslsock.c b/net/third_party/nss/ssl/sslsock.c
new file mode 100644
index 0000000000000000000000000000000000000000..c1730861dce1f5aa74804ddb68af57b2de80b95b
--- /dev/null
+++ b/net/third_party/nss/ssl/sslsock.c
@@ -0,0 +1,2266 @@
+/*
+ * vtables (and methods that call through them) for the 4 types of
+ * SSLSockets supported. Only one type is still supported.
+ * Various other functions.
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape security libraries.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1994-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Dr Stephen Henson <stephen.henson@gemplus.com>
+ * Dr Vipul Gupta <vipul.gupta@sun.com>, Sun Microsystems Laboratories
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+/* $Id: sslsock.c,v 1.59 2009/11/06 20:11:29 nelson%bolyard.com Exp $ */
+#include "seccomon.h"
+#include "cert.h"
+#include "keyhi.h"
+#include "ssl.h"
+#include "sslimpl.h"
+#include "sslproto.h"
+#include "nspr.h"
+#include "private/pprio.h"
+#include "blapi.h"
+#include "nss.h"
+
+#define SET_ERROR_CODE /* reminder */
+
+struct cipherPolicyStr {
+ int cipher;
+ unsigned char export; /* policy value for export policy */
+ unsigned char france; /* policy value for france policy */
+};
+
+typedef struct cipherPolicyStr cipherPolicy;
+
+/* This table contains two preconfigured policies: Export and France.
+** It is used only by the functions SSL_SetDomesticPolicy,
+** SSL_SetExportPolicy, and SSL_SetFrancyPolicy.
+** Order of entries is not important.
+*/
+static cipherPolicy ssl_ciphers[] = { /* Export France */
+ { SSL_EN_RC4_128_WITH_MD5, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_EN_RC4_128_EXPORT40_WITH_MD5, SSL_ALLOWED, SSL_ALLOWED },
+ { SSL_EN_RC2_128_CBC_WITH_MD5, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_EN_RC2_128_CBC_EXPORT40_WITH_MD5, SSL_ALLOWED, SSL_ALLOWED },
+ { SSL_EN_DES_64_CBC_WITH_MD5, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_EN_DES_192_EDE3_CBC_WITH_MD5, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_RSA_WITH_RC4_128_MD5, SSL_RESTRICTED, SSL_NOT_ALLOWED },
+ { SSL_RSA_WITH_RC4_128_SHA, SSL_RESTRICTED, SSL_NOT_ALLOWED },
+ { SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_RSA_WITH_3DES_EDE_CBC_SHA, SSL_RESTRICTED, SSL_NOT_ALLOWED },
+ { SSL_RSA_FIPS_WITH_DES_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_RSA_WITH_DES_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_RSA_EXPORT_WITH_RC4_40_MD5, SSL_ALLOWED, SSL_ALLOWED },
+ { SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5, SSL_ALLOWED, SSL_ALLOWED },
+ { SSL_DHE_RSA_WITH_DES_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_DHE_DSS_WITH_DES_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_DHE_DSS_WITH_RC4_128_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { SSL_RSA_WITH_NULL_SHA, SSL_ALLOWED, SSL_ALLOWED },
+ { SSL_RSA_WITH_NULL_MD5, SSL_ALLOWED, SSL_ALLOWED },
+ { TLS_DHE_DSS_WITH_AES_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_DHE_RSA_WITH_AES_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_RSA_WITH_AES_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_DHE_DSS_WITH_AES_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_DHE_RSA_WITH_AES_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_RSA_WITH_AES_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_RSA_WITH_CAMELLIA_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_RSA_WITH_CAMELLIA_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_RSA_WITH_SEED_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA, SSL_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_RSA_EXPORT1024_WITH_RC4_56_SHA, SSL_ALLOWED, SSL_NOT_ALLOWED },
+#ifdef NSS_ENABLE_ECC
+ { TLS_ECDH_ECDSA_WITH_NULL_SHA, SSL_ALLOWED, SSL_ALLOWED },
+ { TLS_ECDH_ECDSA_WITH_RC4_128_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDHE_ECDSA_WITH_NULL_SHA, SSL_ALLOWED, SSL_ALLOWED },
+ { TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDH_RSA_WITH_NULL_SHA, SSL_ALLOWED, SSL_ALLOWED },
+ { TLS_ECDH_RSA_WITH_RC4_128_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDHE_RSA_WITH_NULL_SHA, SSL_ALLOWED, SSL_ALLOWED },
+ { TLS_ECDHE_RSA_WITH_RC4_128_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+ { TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED },
+#endif /* NSS_ENABLE_ECC */
+ { 0, SSL_NOT_ALLOWED, SSL_NOT_ALLOWED }
+};
+
+static const sslSocketOps ssl_default_ops = { /* No SSL. */
+ ssl_DefConnect,
+ NULL,
+ ssl_DefBind,
+ ssl_DefListen,
+ ssl_DefShutdown,
+ ssl_DefClose,
+ ssl_DefRecv,
+ ssl_DefSend,
+ ssl_DefRead,
+ ssl_DefWrite,
+ ssl_DefGetpeername,
+ ssl_DefGetsockname
+};
+
+static const sslSocketOps ssl_secure_ops = { /* SSL. */
+ ssl_SecureConnect,
+ NULL,
+ ssl_DefBind,
+ ssl_DefListen,
+ ssl_SecureShutdown,
+ ssl_SecureClose,
+ ssl_SecureRecv,
+ ssl_SecureSend,
+ ssl_SecureRead,
+ ssl_SecureWrite,
+ ssl_DefGetpeername,
+ ssl_DefGetsockname
+};
+
+/*
+** default settings for socket enables
+*/
+static sslOptions ssl_defaults = {
+ PR_TRUE, /* useSecurity */
+ PR_FALSE, /* useSocks */
+ PR_FALSE, /* requestCertificate */
+ 2, /* requireCertificate */
+ PR_FALSE, /* handshakeAsClient */
+ PR_FALSE, /* handshakeAsServer */
+ PR_TRUE, /* enableSSL2 */
+ PR_TRUE, /* enableSSL3 */
+ PR_TRUE, /* enableTLS */ /* now defaults to on in NSS 3.0 */
+ PR_FALSE, /* noCache */
+ PR_FALSE, /* fdx */
+ PR_TRUE, /* v2CompatibleHello */
+ PR_TRUE, /* detectRollBack */
+ PR_FALSE, /* noStepDown */
+ PR_FALSE, /* bypassPKCS11 */
+ PR_FALSE, /* noLocks */
+ PR_FALSE, /* enableSessionTickets */
+ PR_FALSE, /* enableDeflate */
+ 0, /* enableRenegotiation (default: never) */
+ PR_FALSE, /* requireSafeNegotiation */
+};
+
+sslSessionIDLookupFunc ssl_sid_lookup;
+sslSessionIDCacheFunc ssl_sid_cache;
+sslSessionIDUncacheFunc ssl_sid_uncache;
+
+static PRBool ssl_inited = PR_FALSE;
+static PRDescIdentity ssl_layer_id;
+
+PRBool locksEverDisabled; /* implicitly PR_FALSE */
+PRBool ssl_force_locks; /* implicitly PR_FALSE */
+int ssl_lock_readers = 1; /* default true. */
+char ssl_debug;
+char ssl_trace;
+FILE * ssl_trace_iob;
+char lockStatus[] = "Locks are ENABLED. ";
+#define LOCKSTATUS_OFFSET 10 /* offset of ENABLED */
+
+/* forward declarations. */
+static sslSocket *ssl_NewSocket(PRBool makeLocks);
+static SECStatus ssl_MakeLocks(sslSocket *ss);
+static PRStatus ssl_PushIOLayer(sslSocket *ns, PRFileDesc *stack,
+ PRDescIdentity id);
+
+/************************************************************************/
+
+/*
+** Lookup a socket structure from a file descriptor.
+** Only functions called through the PRIOMethods table should use this.
+** Other app-callable functions should use ssl_FindSocket.
+*/
+static sslSocket *
+ssl_GetPrivate(PRFileDesc *fd)
+{
+ sslSocket *ss;
+
+ PORT_Assert(fd != NULL);
+ PORT_Assert(fd->methods->file_type == PR_DESC_LAYERED);
+ PORT_Assert(fd->identity == ssl_layer_id);
+
+ if (fd->methods->file_type != PR_DESC_LAYERED ||
+ fd->identity != ssl_layer_id) {
+ PORT_SetError(PR_BAD_DESCRIPTOR_ERROR);
+ return NULL;
+ }
+
+ ss = (sslSocket *)fd->secret;
+ ss->fd = fd;
+ return ss;
+}
+
+/* This function tries to find the SSL layer in the stack.
+ * It searches for the first SSL layer at or below the argument fd,
+ * and failing that, it searches for the nearest SSL layer above the
+ * argument fd. It returns the private sslSocket from the found layer.
+ */
+sslSocket *
+ssl_FindSocket(PRFileDesc *fd)
+{
+ PRFileDesc *layer;
+ sslSocket *ss;
+
+ PORT_Assert(fd != NULL);
+ PORT_Assert(ssl_layer_id != 0);
+
+ layer = PR_GetIdentitiesLayer(fd, ssl_layer_id);
+ if (layer == NULL) {
+ PORT_SetError(PR_BAD_DESCRIPTOR_ERROR);
+ return NULL;
+ }
+
+ ss = (sslSocket *)layer->secret;
+ ss->fd = layer;
+ return ss;
+}
+
+sslSocket *
+ssl_DupSocket(sslSocket *os)
+{
+ sslSocket *ss;
+ SECStatus rv;
+
+ ss = ssl_NewSocket((PRBool)(!os->opt.noLocks));
+ if (ss) {
+ ss->opt = os->opt;
+ ss->opt.useSocks = PR_FALSE;
+
+ ss->peerID = !os->peerID ? NULL : PORT_Strdup(os->peerID);
+ ss->url = !os->url ? NULL : PORT_Strdup(os->url);
+
+ ss->ops = os->ops;
+ ss->rTimeout = os->rTimeout;
+ ss->wTimeout = os->wTimeout;
+ ss->cTimeout = os->cTimeout;
+ ss->dbHandle = os->dbHandle;
+
+ /* copy ssl2&3 policy & prefs, even if it's not selected (yet) */
+ ss->allowedByPolicy = os->allowedByPolicy;
+ ss->maybeAllowedByPolicy= os->maybeAllowedByPolicy;
+ ss->chosenPreference = os->chosenPreference;
+ PORT_Memcpy(ss->cipherSuites, os->cipherSuites, sizeof os->cipherSuites);
+
+ if (os->cipherSpecs) {
+ ss->cipherSpecs = (unsigned char*)PORT_Alloc(os->sizeCipherSpecs);
+ if (ss->cipherSpecs)
+ PORT_Memcpy(ss->cipherSpecs, os->cipherSpecs,
+ os->sizeCipherSpecs);
+ ss->sizeCipherSpecs = os->sizeCipherSpecs;
+ ss->preferredCipher = os->preferredCipher;
+ } else {
+ ss->cipherSpecs = NULL; /* produced lazily */
+ ss->sizeCipherSpecs = 0;
+ ss->preferredCipher = NULL;
+ }
+ if (ss->opt.useSecurity) {
+ /* This int should be SSLKEAType, but CC on Irix complains,
+ * during the for loop.
+ */
+ int i;
+ sslServerCerts * oc = os->serverCerts;
+ sslServerCerts * sc = ss->serverCerts;
+
+ for (i=kt_null; i < kt_kea_size; i++, oc++, sc++) {
+ if (oc->serverCert && oc->serverCertChain) {
+ sc->serverCert = CERT_DupCertificate(oc->serverCert);
+ sc->serverCertChain = CERT_DupCertList(oc->serverCertChain);
+ if (!sc->serverCertChain)
+ goto loser;
+ } else {
+ sc->serverCert = NULL;
+ sc->serverCertChain = NULL;
+ }
+ sc->serverKeyPair = oc->serverKeyPair ?
+ ssl3_GetKeyPairRef(oc->serverKeyPair) : NULL;
+ if (oc->serverKeyPair && !sc->serverKeyPair)
+ goto loser;
+ sc->serverKeyBits = oc->serverKeyBits;
+ }
+ ss->stepDownKeyPair = !os->stepDownKeyPair ? NULL :
+ ssl3_GetKeyPairRef(os->stepDownKeyPair);
+ ss->ephemeralECDHKeyPair = !os->ephemeralECDHKeyPair ? NULL :
+ ssl3_GetKeyPairRef(os->ephemeralECDHKeyPair);
+/*
+ * XXX the preceeding CERT_ and SECKEY_ functions can fail and return NULL.
+ * XXX We should detect this, and not just march on with NULL pointers.
+ */
+ ss->authCertificate = os->authCertificate;
+ ss->authCertificateArg = os->authCertificateArg;
+ ss->getClientAuthData = os->getClientAuthData;
+ ss->getClientAuthDataArg = os->getClientAuthDataArg;
+ ss->handleBadCert = os->handleBadCert;
+ ss->badCertArg = os->badCertArg;
+ ss->handshakeCallback = os->handshakeCallback;
+ ss->handshakeCallbackData = os->handshakeCallbackData;
+ ss->pkcs11PinArg = os->pkcs11PinArg;
+
+ /* Create security data */
+ rv = ssl_CopySecurityInfo(ss, os);
+ if (rv != SECSuccess) {
+ goto loser;
+ }
+ }
+ }
+ return ss;
+
+loser:
+ ssl_FreeSocket(ss);
+ return NULL;
+}
+
+static void
+ssl_DestroyLocks(sslSocket *ss)
+{
+ /* Destroy locks. */
+ if (ss->firstHandshakeLock) {
+ PZ_DestroyMonitor(ss->firstHandshakeLock);
+ ss->firstHandshakeLock = NULL;
+ }
+ if (ss->ssl3HandshakeLock) {
+ PZ_DestroyMonitor(ss->ssl3HandshakeLock);
+ ss->ssl3HandshakeLock = NULL;
+ }
+ if (ss->specLock) {
+ NSSRWLock_Destroy(ss->specLock);
+ ss->specLock = NULL;
+ }
+
+ if (ss->recvLock) {
+ PZ_DestroyLock(ss->recvLock);
+ ss->recvLock = NULL;
+ }
+ if (ss->sendLock) {
+ PZ_DestroyLock(ss->sendLock);
+ ss->sendLock = NULL;
+ }
+ if (ss->xmitBufLock) {
+ PZ_DestroyMonitor(ss->xmitBufLock);
+ ss->xmitBufLock = NULL;
+ }
+ if (ss->recvBufLock) {
+ PZ_DestroyMonitor(ss->recvBufLock);
+ ss->recvBufLock = NULL;
+ }
+}
+
+/* Caller holds any relevant locks */
+static void
+ssl_DestroySocketContents(sslSocket *ss)
+{
+ /* "i" should be of type SSLKEAType, but CC on IRIX complains during
+ * the for loop.
+ */
+ int i;
+
+ /* Free up socket */
+ ssl_DestroySecurityInfo(&ss->sec);
+
+ ssl3_DestroySSL3Info(ss);
+
+ PORT_Free(ss->saveBuf.buf);
+ PORT_Free(ss->pendingBuf.buf);
+ ssl_DestroyGather(&ss->gs);
+
+ if (ss->peerID != NULL)
+ PORT_Free(ss->peerID);
+ if (ss->url != NULL)
+ PORT_Free((void *)ss->url); /* CONST */
+ if (ss->cipherSpecs) {
+ PORT_Free(ss->cipherSpecs);
+ ss->cipherSpecs = NULL;
+ ss->sizeCipherSpecs = 0;
+ }
+
+ /* Clean up server configuration */
+ for (i=kt_null; i < kt_kea_size; i++) {
+ sslServerCerts * sc = ss->serverCerts + i;
+ if (sc->serverCert != NULL)
+ CERT_DestroyCertificate(sc->serverCert);
+ if (sc->serverCertChain != NULL)
+ CERT_DestroyCertificateList(sc->serverCertChain);
+ if (sc->serverKeyPair != NULL)
+ ssl3_FreeKeyPair(sc->serverKeyPair);
+ }
+ if (ss->stepDownKeyPair) {
+ ssl3_FreeKeyPair(ss->stepDownKeyPair);
+ ss->stepDownKeyPair = NULL;
+ }
+ if (ss->ephemeralECDHKeyPair) {
+ ssl3_FreeKeyPair(ss->ephemeralECDHKeyPair);
+ ss->ephemeralECDHKeyPair = NULL;
+ }
+}
+
+/*
+ * free an sslSocket struct, and all the stuff that hangs off of it
+ */
+void
+ssl_FreeSocket(sslSocket *ss)
+{
+#ifdef DEBUG
+ sslSocket *fs;
+ sslSocket lSock;
+#endif
+
+/* Get every lock you can imagine!
+** Caller already holds these:
+** SSL_LOCK_READER(ss);
+** SSL_LOCK_WRITER(ss);
+*/
+ ssl_Get1stHandshakeLock(ss);
+ ssl_GetRecvBufLock(ss);
+ ssl_GetSSL3HandshakeLock(ss);
+ ssl_GetXmitBufLock(ss);
+ ssl_GetSpecWriteLock(ss);
+
+#ifdef DEBUG
+ fs = &lSock;
+ *fs = *ss; /* Copy the old socket structure, */
+ PORT_Memset(ss, 0x1f, sizeof *ss); /* then blast the old struct ASAP. */
+#else
+#define fs ss
+#endif
+
+ ssl_DestroySocketContents(fs);
+
+ /* Release all the locks acquired above. */
+ SSL_UNLOCK_READER(fs);
+ SSL_UNLOCK_WRITER(fs);
+ ssl_Release1stHandshakeLock(fs);
+ ssl_ReleaseRecvBufLock(fs);
+ ssl_ReleaseSSL3HandshakeLock(fs);
+ ssl_ReleaseXmitBufLock(fs);
+ ssl_ReleaseSpecWriteLock(fs);
+
+ ssl_DestroyLocks(fs);
+
+ PORT_Free(ss); /* free the caller's copy, not ours. */
+ return;
+}
+#undef fs
+
+/************************************************************************/
+SECStatus
+ssl_EnableNagleDelay(sslSocket *ss, PRBool enabled)
+{
+ PRFileDesc * osfd = ss->fd->lower;
+ SECStatus rv = SECFailure;
+ PRSocketOptionData opt;
+
+ opt.option = PR_SockOpt_NoDelay;
+ opt.value.no_delay = (PRBool)!enabled;
+
+ if (osfd->methods->setsocketoption) {
+ rv = (SECStatus) osfd->methods->setsocketoption(osfd, &opt);
+ } else {
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ }
+
+ return rv;
+}
+
+static void
+ssl_ChooseOps(sslSocket *ss)
+{
+ ss->ops = ss->opt.useSecurity ? &ssl_secure_ops : &ssl_default_ops;
+}
+
+/* Called from SSL_Enable (immediately below) */
+static SECStatus
+PrepareSocket(sslSocket *ss)
+{
+ SECStatus rv = SECSuccess;
+
+ ssl_ChooseOps(ss);
+ return rv;
+}
+
+SECStatus
+SSL_Enable(PRFileDesc *fd, int which, PRBool on)
+{
+ return SSL_OptionSet(fd, which, on);
+}
+
+static const PRCallOnceType pristineCallOnce;
+static PRCallOnceType setupBypassOnce;
+
+static SECStatus SSL_BypassShutdown(void* appData, void* nssData)
+{
+ /* unload freeBL shared library from memory */
+ BL_Unload();
+ setupBypassOnce = pristineCallOnce;
+ return SECSuccess;
+}
+
+static PRStatus SSL_BypassRegisterShutdown(void)
+{
+ SECStatus rv = NSS_RegisterShutdown(SSL_BypassShutdown, NULL);
+ PORT_Assert(SECSuccess == rv);
+ return SECSuccess == rv ? PR_SUCCESS : PR_FAILURE;
+}
+
+static PRStatus SSL_BypassSetup(void)
+{
+ return PR_CallOnce(&setupBypassOnce, &SSL_BypassRegisterShutdown);
+}
+
+SECStatus
+SSL_OptionSet(PRFileDesc *fd, PRInt32 which, PRBool on)
+{
+ sslSocket *ss = ssl_FindSocket(fd);
+ SECStatus rv = SECSuccess;
+ PRBool holdingLocks;
+
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in Enable", SSL_GETPID(), fd));
+ return SECFailure;
+ }
+
+ holdingLocks = (!ss->opt.noLocks);
+ ssl_Get1stHandshakeLock(ss);
+ ssl_GetSSL3HandshakeLock(ss);
+
+ switch (which) {
+ case SSL_SOCKS:
+ ss->opt.useSocks = PR_FALSE;
+ rv = PrepareSocket(ss);
+ if (on) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ rv = SECFailure;
+ }
+ break;
+
+ case SSL_SECURITY:
+ ss->opt.useSecurity = on;
+ rv = PrepareSocket(ss);
+ break;
+
+ case SSL_REQUEST_CERTIFICATE:
+ ss->opt.requestCertificate = on;
+ break;
+
+ case SSL_REQUIRE_CERTIFICATE:
+ ss->opt.requireCertificate = on;
+ break;
+
+ case SSL_HANDSHAKE_AS_CLIENT:
+ if ( ss->opt.handshakeAsServer && on ) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ rv = SECFailure;
+ break;
+ }
+ ss->opt.handshakeAsClient = on;
+ break;
+
+ case SSL_HANDSHAKE_AS_SERVER:
+ if ( ss->opt.handshakeAsClient && on ) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ rv = SECFailure;
+ break;
+ }
+ ss->opt.handshakeAsServer = on;
+ break;
+
+ case SSL_ENABLE_TLS:
+ ss->opt.enableTLS = on;
+ ss->preferredCipher = NULL;
+ if (ss->cipherSpecs) {
+ PORT_Free(ss->cipherSpecs);
+ ss->cipherSpecs = NULL;
+ ss->sizeCipherSpecs = 0;
+ }
+ break;
+
+ case SSL_ENABLE_SSL3:
+ ss->opt.enableSSL3 = on;
+ ss->preferredCipher = NULL;
+ if (ss->cipherSpecs) {
+ PORT_Free(ss->cipherSpecs);
+ ss->cipherSpecs = NULL;
+ ss->sizeCipherSpecs = 0;
+ }
+ break;
+
+ case SSL_ENABLE_SSL2:
+ ss->opt.enableSSL2 = on;
+ if (on) {
+ ss->opt.v2CompatibleHello = on;
+ }
+ ss->preferredCipher = NULL;
+ if (ss->cipherSpecs) {
+ PORT_Free(ss->cipherSpecs);
+ ss->cipherSpecs = NULL;
+ ss->sizeCipherSpecs = 0;
+ }
+ break;
+
+ case SSL_NO_CACHE:
+ ss->opt.noCache = on;
+ break;
+
+ case SSL_ENABLE_FDX:
+ if (on && ss->opt.noLocks) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ rv = SECFailure;
+ }
+ ss->opt.fdx = on;
+ break;
+
+ case SSL_V2_COMPATIBLE_HELLO:
+ ss->opt.v2CompatibleHello = on;
+ if (!on) {
+ ss->opt.enableSSL2 = on;
+ }
+ break;
+
+ case SSL_ROLLBACK_DETECTION:
+ ss->opt.detectRollBack = on;
+ break;
+
+ case SSL_NO_STEP_DOWN:
+ ss->opt.noStepDown = on;
+ if (on)
+ SSL_DisableExportCipherSuites(fd);
+ break;
+
+ case SSL_BYPASS_PKCS11:
+ if (ss->handshakeBegun) {
+ PORT_SetError(PR_INVALID_STATE_ERROR);
+ rv = SECFailure;
+ } else {
+ if (PR_FALSE != on) {
+ if (PR_SUCCESS == SSL_BypassSetup() ) {
+ ss->opt.bypassPKCS11 = on;
+ } else {
+ rv = SECFailure;
+ }
+ } else {
+ ss->opt.bypassPKCS11 = PR_FALSE;
+ }
+ }
+ break;
+
+ case SSL_NO_LOCKS:
+ if (on && ss->opt.fdx) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ rv = SECFailure;
+ }
+ if (on && ssl_force_locks)
+ on = PR_FALSE; /* silent override */
+ ss->opt.noLocks = on;
+ if (on) {
+ locksEverDisabled = PR_TRUE;
+ strcpy(lockStatus + LOCKSTATUS_OFFSET, "DISABLED.");
+ } else if (!holdingLocks) {
+ rv = ssl_MakeLocks(ss);
+ if (rv != SECSuccess) {
+ ss->opt.noLocks = PR_TRUE;
+ }
+ }
+ break;
+
+ case SSL_ENABLE_SESSION_TICKETS:
+ ss->opt.enableSessionTickets = on;
+ break;
+
+ case SSL_ENABLE_DEFLATE:
+ ss->opt.enableDeflate = on;
+ break;
+
+ case SSL_ENABLE_RENEGOTIATION:
+ ss->opt.enableRenegotiation = on;
+ break;
+
+ case SSL_REQUIRE_SAFE_NEGOTIATION:
+ ss->opt.requireSafeNegotiation = on;
+ break;
+
+ default:
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ rv = SECFailure;
+ }
+
+ /* We can't use the macros for releasing the locks here,
+ * because ss->opt.noLocks might have changed just above.
+ * We must release these locks (monitors) here, if we aquired them above,
+ * regardless of the current value of ss->opt.noLocks.
+ */
+ if (holdingLocks) {
+ PZ_ExitMonitor((ss)->ssl3HandshakeLock);
+ PZ_ExitMonitor((ss)->firstHandshakeLock);
+ }
+
+ return rv;
+}
+
+SECStatus
+SSL_OptionGet(PRFileDesc *fd, PRInt32 which, PRBool *pOn)
+{
+ sslSocket *ss = ssl_FindSocket(fd);
+ SECStatus rv = SECSuccess;
+ PRBool on = PR_FALSE;
+
+ if (!pOn) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in Enable", SSL_GETPID(), fd));
+ *pOn = PR_FALSE;
+ return SECFailure;
+ }
+
+ ssl_Get1stHandshakeLock(ss);
+ ssl_GetSSL3HandshakeLock(ss);
+
+ switch (which) {
+ case SSL_SOCKS: on = PR_FALSE; break;
+ case SSL_SECURITY: on = ss->opt.useSecurity; break;
+ case SSL_REQUEST_CERTIFICATE: on = ss->opt.requestCertificate; break;
+ case SSL_REQUIRE_CERTIFICATE: on = ss->opt.requireCertificate; break;
+ case SSL_HANDSHAKE_AS_CLIENT: on = ss->opt.handshakeAsClient; break;
+ case SSL_HANDSHAKE_AS_SERVER: on = ss->opt.handshakeAsServer; break;
+ case SSL_ENABLE_TLS: on = ss->opt.enableTLS; break;
+ case SSL_ENABLE_SSL3: on = ss->opt.enableSSL3; break;
+ case SSL_ENABLE_SSL2: on = ss->opt.enableSSL2; break;
+ case SSL_NO_CACHE: on = ss->opt.noCache; break;
+ case SSL_ENABLE_FDX: on = ss->opt.fdx; break;
+ case SSL_V2_COMPATIBLE_HELLO: on = ss->opt.v2CompatibleHello; break;
+ case SSL_ROLLBACK_DETECTION: on = ss->opt.detectRollBack; break;
+ case SSL_NO_STEP_DOWN: on = ss->opt.noStepDown; break;
+ case SSL_BYPASS_PKCS11: on = ss->opt.bypassPKCS11; break;
+ case SSL_NO_LOCKS: on = ss->opt.noLocks; break;
+ case SSL_ENABLE_SESSION_TICKETS:
+ on = ss->opt.enableSessionTickets;
+ break;
+ case SSL_ENABLE_DEFLATE: on = ss->opt.enableDeflate; break;
+ case SSL_ENABLE_RENEGOTIATION:
+ on = ss->opt.enableRenegotiation; break;
+ case SSL_REQUIRE_SAFE_NEGOTIATION:
+ on = ss->opt.requireSafeNegotiation; break;
+
+ default:
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ rv = SECFailure;
+ }
+
+ ssl_ReleaseSSL3HandshakeLock(ss);
+ ssl_Release1stHandshakeLock(ss);
+
+ *pOn = on;
+ return rv;
+}
+
+SECStatus
+SSL_OptionGetDefault(PRInt32 which, PRBool *pOn)
+{
+ SECStatus rv = SECSuccess;
+ PRBool on = PR_FALSE;
+
+ if (!pOn) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+
+ switch (which) {
+ case SSL_SOCKS: on = PR_FALSE; break;
+ case SSL_SECURITY: on = ssl_defaults.useSecurity; break;
+ case SSL_REQUEST_CERTIFICATE: on = ssl_defaults.requestCertificate; break;
+ case SSL_REQUIRE_CERTIFICATE: on = ssl_defaults.requireCertificate; break;
+ case SSL_HANDSHAKE_AS_CLIENT: on = ssl_defaults.handshakeAsClient; break;
+ case SSL_HANDSHAKE_AS_SERVER: on = ssl_defaults.handshakeAsServer; break;
+ case SSL_ENABLE_TLS: on = ssl_defaults.enableTLS; break;
+ case SSL_ENABLE_SSL3: on = ssl_defaults.enableSSL3; break;
+ case SSL_ENABLE_SSL2: on = ssl_defaults.enableSSL2; break;
+ case SSL_NO_CACHE: on = ssl_defaults.noCache; break;
+ case SSL_ENABLE_FDX: on = ssl_defaults.fdx; break;
+ case SSL_V2_COMPATIBLE_HELLO: on = ssl_defaults.v2CompatibleHello; break;
+ case SSL_ROLLBACK_DETECTION: on = ssl_defaults.detectRollBack; break;
+ case SSL_NO_STEP_DOWN: on = ssl_defaults.noStepDown; break;
+ case SSL_BYPASS_PKCS11: on = ssl_defaults.bypassPKCS11; break;
+ case SSL_NO_LOCKS: on = ssl_defaults.noLocks; break;
+ case SSL_ENABLE_SESSION_TICKETS:
+ on = ssl_defaults.enableSessionTickets;
+ break;
+ case SSL_ENABLE_DEFLATE: on = ssl_defaults.enableDeflate; break;
+ case SSL_ENABLE_RENEGOTIATION:
+ on = ssl_defaults.enableRenegotiation; break;
+ case SSL_REQUIRE_SAFE_NEGOTIATION:
+ on = ssl_defaults.requireSafeNegotiation;
+ break;
+
+ default:
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ rv = SECFailure;
+ }
+
+ *pOn = on;
+ return rv;
+}
+
+/* XXX Use Global Lock to protect this stuff. */
+SECStatus
+SSL_EnableDefault(int which, PRBool on)
+{
+ return SSL_OptionSetDefault(which, on);
+}
+
+SECStatus
+SSL_OptionSetDefault(PRInt32 which, PRBool on)
+{
+ switch (which) {
+ case SSL_SOCKS:
+ ssl_defaults.useSocks = PR_FALSE;
+ if (on) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ break;
+
+ case SSL_SECURITY:
+ ssl_defaults.useSecurity = on;
+ break;
+
+ case SSL_REQUEST_CERTIFICATE:
+ ssl_defaults.requestCertificate = on;
+ break;
+
+ case SSL_REQUIRE_CERTIFICATE:
+ ssl_defaults.requireCertificate = on;
+ break;
+
+ case SSL_HANDSHAKE_AS_CLIENT:
+ if ( ssl_defaults.handshakeAsServer && on ) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ ssl_defaults.handshakeAsClient = on;
+ break;
+
+ case SSL_HANDSHAKE_AS_SERVER:
+ if ( ssl_defaults.handshakeAsClient && on ) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ ssl_defaults.handshakeAsServer = on;
+ break;
+
+ case SSL_ENABLE_TLS:
+ ssl_defaults.enableTLS = on;
+ break;
+
+ case SSL_ENABLE_SSL3:
+ ssl_defaults.enableSSL3 = on;
+ break;
+
+ case SSL_ENABLE_SSL2:
+ ssl_defaults.enableSSL2 = on;
+ if (on) {
+ ssl_defaults.v2CompatibleHello = on;
+ }
+ break;
+
+ case SSL_NO_CACHE:
+ ssl_defaults.noCache = on;
+ break;
+
+ case SSL_ENABLE_FDX:
+ if (on && ssl_defaults.noLocks) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ ssl_defaults.fdx = on;
+ break;
+
+ case SSL_V2_COMPATIBLE_HELLO:
+ ssl_defaults.v2CompatibleHello = on;
+ if (!on) {
+ ssl_defaults.enableSSL2 = on;
+ }
+ break;
+
+ case SSL_ROLLBACK_DETECTION:
+ ssl_defaults.detectRollBack = on;
+ break;
+
+ case SSL_NO_STEP_DOWN:
+ ssl_defaults.noStepDown = on;
+ if (on)
+ SSL_DisableDefaultExportCipherSuites();
+ break;
+
+ case SSL_BYPASS_PKCS11:
+ if (PR_FALSE != on) {
+ if (PR_SUCCESS == SSL_BypassSetup()) {
+ ssl_defaults.bypassPKCS11 = on;
+ } else {
+ return SECFailure;
+ }
+ } else {
+ ssl_defaults.bypassPKCS11 = PR_FALSE;
+ }
+ break;
+
+ case SSL_NO_LOCKS:
+ if (on && ssl_defaults.fdx) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ if (on && ssl_force_locks)
+ on = PR_FALSE; /* silent override */
+ ssl_defaults.noLocks = on;
+ if (on) {
+ locksEverDisabled = PR_TRUE;
+ strcpy(lockStatus + LOCKSTATUS_OFFSET, "DISABLED.");
+ }
+ break;
+
+ case SSL_ENABLE_SESSION_TICKETS:
+ ssl_defaults.enableSessionTickets = on;
+ break;
+
+ case SSL_ENABLE_DEFLATE:
+ ssl_defaults.enableDeflate = on;
+ break;
+
+ case SSL_ENABLE_RENEGOTIATION:
+ ssl_defaults.enableRenegotiation = on;
+ break;
+
+ case SSL_REQUIRE_SAFE_NEGOTIATION:
+ ssl_defaults.requireSafeNegotiation = on;
+ break;
+
+ default:
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ return SECSuccess;
+}
+
+/* function tells us if the cipher suite is one that we no longer support. */
+static PRBool
+ssl_IsRemovedCipherSuite(PRInt32 suite)
+{
+ switch (suite) {
+ case SSL_FORTEZZA_DMS_WITH_NULL_SHA:
+ case SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA:
+ case SSL_FORTEZZA_DMS_WITH_RC4_128_SHA:
+ return PR_TRUE;
+ default:
+ return PR_FALSE;
+ }
+}
+
+/* Part of the public NSS API.
+ * Since this is a global (not per-socket) setting, we cannot use the
+ * HandshakeLock to protect this. Probably want a global lock.
+ */
+SECStatus
+SSL_SetPolicy(long which, int policy)
+{
+ if ((which & 0xfffe) == SSL_RSA_OLDFIPS_WITH_3DES_EDE_CBC_SHA) {
+ /* one of the two old FIPS ciphers */
+ if (which == SSL_RSA_OLDFIPS_WITH_3DES_EDE_CBC_SHA)
+ which = SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA;
+ else if (which == SSL_RSA_OLDFIPS_WITH_DES_CBC_SHA)
+ which = SSL_RSA_FIPS_WITH_DES_CBC_SHA;
+ }
+ if (ssl_IsRemovedCipherSuite(which))
+ return SECSuccess;
+ return SSL_CipherPolicySet(which, policy);
+}
+
+SECStatus
+SSL_CipherPolicySet(PRInt32 which, PRInt32 policy)
+{
+ SECStatus rv;
+
+ if (ssl_IsRemovedCipherSuite(which)) {
+ rv = SECSuccess;
+ } else if (SSL_IS_SSL2_CIPHER(which)) {
+ rv = ssl2_SetPolicy(which, policy);
+ } else {
+ rv = ssl3_SetPolicy((ssl3CipherSuite)which, policy);
+ }
+ return rv;
+}
+
+SECStatus
+SSL_CipherPolicyGet(PRInt32 which, PRInt32 *oPolicy)
+{
+ SECStatus rv;
+
+ if (!oPolicy) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ if (ssl_IsRemovedCipherSuite(which)) {
+ *oPolicy = SSL_NOT_ALLOWED;
+ rv = SECSuccess;
+ } else if (SSL_IS_SSL2_CIPHER(which)) {
+ rv = ssl2_GetPolicy(which, oPolicy);
+ } else {
+ rv = ssl3_GetPolicy((ssl3CipherSuite)which, oPolicy);
+ }
+ return rv;
+}
+
+/* Part of the public NSS API.
+ * Since this is a global (not per-socket) setting, we cannot use the
+ * HandshakeLock to protect this. Probably want a global lock.
+ * These changes have no effect on any sslSockets already created.
+ */
+SECStatus
+SSL_EnableCipher(long which, PRBool enabled)
+{
+ if ((which & 0xfffe) == SSL_RSA_OLDFIPS_WITH_3DES_EDE_CBC_SHA) {
+ /* one of the two old FIPS ciphers */
+ if (which == SSL_RSA_OLDFIPS_WITH_3DES_EDE_CBC_SHA)
+ which = SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA;
+ else if (which == SSL_RSA_OLDFIPS_WITH_DES_CBC_SHA)
+ which = SSL_RSA_FIPS_WITH_DES_CBC_SHA;
+ }
+ if (ssl_IsRemovedCipherSuite(which))
+ return SECSuccess;
+ return SSL_CipherPrefSetDefault(which, enabled);
+}
+
+SECStatus
+SSL_CipherPrefSetDefault(PRInt32 which, PRBool enabled)
+{
+ SECStatus rv;
+
+ if (ssl_IsRemovedCipherSuite(which))
+ return SECSuccess;
+ if (enabled && ssl_defaults.noStepDown && SSL_IsExportCipherSuite(which)) {
+ PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
+ return SECFailure;
+ }
+ if (SSL_IS_SSL2_CIPHER(which)) {
+ rv = ssl2_CipherPrefSetDefault(which, enabled);
+ } else {
+ rv = ssl3_CipherPrefSetDefault((ssl3CipherSuite)which, enabled);
+ }
+ return rv;
+}
+
+SECStatus
+SSL_CipherPrefGetDefault(PRInt32 which, PRBool *enabled)
+{
+ SECStatus rv;
+
+ if (!enabled) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ if (ssl_IsRemovedCipherSuite(which)) {
+ *enabled = PR_FALSE;
+ rv = SECSuccess;
+ } else if (SSL_IS_SSL2_CIPHER(which)) {
+ rv = ssl2_CipherPrefGetDefault(which, enabled);
+ } else {
+ rv = ssl3_CipherPrefGetDefault((ssl3CipherSuite)which, enabled);
+ }
+ return rv;
+}
+
+SECStatus
+SSL_CipherPrefSet(PRFileDesc *fd, PRInt32 which, PRBool enabled)
+{
+ SECStatus rv;
+ sslSocket *ss = ssl_FindSocket(fd);
+
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in CipherPrefSet", SSL_GETPID(), fd));
+ return SECFailure;
+ }
+ if (ssl_IsRemovedCipherSuite(which))
+ return SECSuccess;
+ if (enabled && ss->opt.noStepDown && SSL_IsExportCipherSuite(which)) {
+ PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
+ return SECFailure;
+ }
+ if (SSL_IS_SSL2_CIPHER(which)) {
+ rv = ssl2_CipherPrefSet(ss, which, enabled);
+ } else {
+ rv = ssl3_CipherPrefSet(ss, (ssl3CipherSuite)which, enabled);
+ }
+ return rv;
+}
+
+SECStatus
+SSL_CipherPrefGet(PRFileDesc *fd, PRInt32 which, PRBool *enabled)
+{
+ SECStatus rv;
+ sslSocket *ss = ssl_FindSocket(fd);
+
+ if (!enabled) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return SECFailure;
+ }
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in CipherPrefGet", SSL_GETPID(), fd));
+ *enabled = PR_FALSE;
+ return SECFailure;
+ }
+ if (ssl_IsRemovedCipherSuite(which)) {
+ *enabled = PR_FALSE;
+ rv = SECSuccess;
+ } else if (SSL_IS_SSL2_CIPHER(which)) {
+ rv = ssl2_CipherPrefGet(ss, which, enabled);
+ } else {
+ rv = ssl3_CipherPrefGet(ss, (ssl3CipherSuite)which, enabled);
+ }
+ return rv;
+}
+
+SECStatus
+NSS_SetDomesticPolicy(void)
+{
+#ifndef EXPORT_VERSION
+ SECStatus status = SECSuccess;
+ cipherPolicy * policy;
+
+ for (policy = ssl_ciphers; policy->cipher != 0; ++policy) {
+ status = SSL_SetPolicy(policy->cipher, SSL_ALLOWED);
+ if (status != SECSuccess)
+ break;
+ }
+ return status;
+#else
+ return NSS_SetExportPolicy();
+#endif
+}
+
+SECStatus
+NSS_SetExportPolicy(void)
+{
+ SECStatus status = SECSuccess;
+ cipherPolicy * policy;
+
+ for (policy = ssl_ciphers; policy->cipher != 0; ++policy) {
+ status = SSL_SetPolicy(policy->cipher, policy->export);
+ if (status != SECSuccess)
+ break;
+ }
+ return status;
+}
+
+SECStatus
+NSS_SetFrancePolicy(void)
+{
+ SECStatus status = SECSuccess;
+ cipherPolicy * policy;
+
+ for (policy = ssl_ciphers; policy->cipher != 0; ++policy) {
+ status = SSL_SetPolicy(policy->cipher, policy->france);
+ if (status != SECSuccess)
+ break;
+ }
+ return status;
+}
+
+
+
+/* LOCKS ??? XXX */
+PRFileDesc *
+SSL_ImportFD(PRFileDesc *model, PRFileDesc *fd)
+{
+ sslSocket * ns = NULL;
+ PRStatus rv;
+ PRNetAddr addr;
+
+ if (model == NULL) {
+ /* Just create a default socket if we're given NULL for the model */
+ ns = ssl_NewSocket((PRBool)(!ssl_defaults.noLocks));
+ } else {
+ sslSocket * ss = ssl_FindSocket(model);
+ if (ss == NULL) {
+ SSL_DBG(("%d: SSL[%d]: bad model socket in ssl_ImportFD",
+ SSL_GETPID(), model));
+ return NULL;
+ }
+ ns = ssl_DupSocket(ss);
+ }
+ if (ns == NULL)
+ return NULL;
+
+ rv = ssl_PushIOLayer(ns, fd, PR_TOP_IO_LAYER);
+ if (rv != PR_SUCCESS) {
+ ssl_FreeSocket(ns);
+ SET_ERROR_CODE
+ return NULL;
+ }
+#ifdef _WIN32
+ PR_Sleep(PR_INTERVAL_NO_WAIT); /* workaround NT winsock connect bug. */
+#endif
+ ns = ssl_FindSocket(fd);
+ PORT_Assert(ns);
+ if (ns)
+ ns->TCPconnected = (PR_SUCCESS == ssl_DefGetpeername(ns, &addr));
+ return fd;
+}
+
+/************************************************************************/
+/* The following functions are the TOP LEVEL SSL functions.
+** They all get called through the NSPRIOMethods table below.
+*/
+
+static PRFileDesc * PR_CALLBACK
+ssl_Accept(PRFileDesc *fd, PRNetAddr *sockaddr, PRIntervalTime timeout)
+{
+ sslSocket *ss;
+ sslSocket *ns = NULL;
+ PRFileDesc *newfd = NULL;
+ PRFileDesc *osfd;
+ PRStatus status;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in accept", SSL_GETPID(), fd));
+ return NULL;
+ }
+
+ /* IF this is a listen socket, there shouldn't be any I/O going on */
+ SSL_LOCK_READER(ss);
+ SSL_LOCK_WRITER(ss);
+ ssl_Get1stHandshakeLock(ss);
+ ssl_GetSSL3HandshakeLock(ss);
+
+ ss->cTimeout = timeout;
+
+ osfd = ss->fd->lower;
+
+ /* First accept connection */
+ newfd = osfd->methods->accept(osfd, sockaddr, timeout);
+ if (newfd == NULL) {
+ SSL_DBG(("%d: SSL[%d]: accept failed, errno=%d",
+ SSL_GETPID(), ss->fd, PORT_GetError()));
+ } else {
+ /* Create ssl module */
+ ns = ssl_DupSocket(ss);
+ }
+
+ ssl_ReleaseSSL3HandshakeLock(ss);
+ ssl_Release1stHandshakeLock(ss);
+ SSL_UNLOCK_WRITER(ss);
+ SSL_UNLOCK_READER(ss); /* ss isn't used below here. */
+
+ if (ns == NULL)
+ goto loser;
+
+ /* push ssl module onto the new socket */
+ status = ssl_PushIOLayer(ns, newfd, PR_TOP_IO_LAYER);
+ if (status != PR_SUCCESS)
+ goto loser;
+
+ /* Now start server connection handshake with client.
+ ** Don't need locks here because nobody else has a reference to ns yet.
+ */
+ if ( ns->opt.useSecurity ) {
+ if ( ns->opt.handshakeAsClient ) {
+ ns->handshake = ssl2_BeginClientHandshake;
+ ss->handshaking = sslHandshakingAsClient;
+ } else {
+ ns->handshake = ssl2_BeginServerHandshake;
+ ss->handshaking = sslHandshakingAsServer;
+ }
+ }
+ ns->TCPconnected = 1;
+ return newfd;
+
+loser:
+ if (ns != NULL)
+ ssl_FreeSocket(ns);
+ if (newfd != NULL)
+ PR_Close(newfd);
+ return NULL;
+}
+
+static PRStatus PR_CALLBACK
+ssl_Connect(PRFileDesc *fd, const PRNetAddr *sockaddr, PRIntervalTime timeout)
+{
+ sslSocket *ss;
+ PRStatus rv;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in connect", SSL_GETPID(), fd));
+ return PR_FAILURE;
+ }
+
+ /* IF this is a listen socket, there shouldn't be any I/O going on */
+ SSL_LOCK_READER(ss);
+ SSL_LOCK_WRITER(ss);
+
+ ss->cTimeout = timeout;
+ rv = (PRStatus)(*ss->ops->connect)(ss, sockaddr);
+#ifdef _WIN32
+ PR_Sleep(PR_INTERVAL_NO_WAIT); /* workaround NT winsock connect bug. */
+#endif
+
+ SSL_UNLOCK_WRITER(ss);
+ SSL_UNLOCK_READER(ss);
+
+ return rv;
+}
+
+static PRStatus PR_CALLBACK
+ssl_Bind(PRFileDesc *fd, const PRNetAddr *addr)
+{
+ sslSocket * ss = ssl_GetPrivate(fd);
+ PRStatus rv;
+
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in bind", SSL_GETPID(), fd));
+ return PR_FAILURE;
+ }
+ SSL_LOCK_READER(ss);
+ SSL_LOCK_WRITER(ss);
+
+ rv = (PRStatus)(*ss->ops->bind)(ss, addr);
+
+ SSL_UNLOCK_WRITER(ss);
+ SSL_UNLOCK_READER(ss);
+ return rv;
+}
+
+static PRStatus PR_CALLBACK
+ssl_Listen(PRFileDesc *fd, PRIntn backlog)
+{
+ sslSocket * ss = ssl_GetPrivate(fd);
+ PRStatus rv;
+
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in listen", SSL_GETPID(), fd));
+ return PR_FAILURE;
+ }
+ SSL_LOCK_READER(ss);
+ SSL_LOCK_WRITER(ss);
+
+ rv = (PRStatus)(*ss->ops->listen)(ss, backlog);
+
+ SSL_UNLOCK_WRITER(ss);
+ SSL_UNLOCK_READER(ss);
+ return rv;
+}
+
+static PRStatus PR_CALLBACK
+ssl_Shutdown(PRFileDesc *fd, PRIntn how)
+{
+ sslSocket * ss = ssl_GetPrivate(fd);
+ PRStatus rv;
+
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in shutdown", SSL_GETPID(), fd));
+ return PR_FAILURE;
+ }
+ if (how == PR_SHUTDOWN_RCV || how == PR_SHUTDOWN_BOTH) {
+ SSL_LOCK_READER(ss);
+ }
+ if (how == PR_SHUTDOWN_SEND || how == PR_SHUTDOWN_BOTH) {
+ SSL_LOCK_WRITER(ss);
+ }
+
+ rv = (PRStatus)(*ss->ops->shutdown)(ss, how);
+
+ if (how == PR_SHUTDOWN_SEND || how == PR_SHUTDOWN_BOTH) {
+ SSL_UNLOCK_WRITER(ss);
+ }
+ if (how == PR_SHUTDOWN_RCV || how == PR_SHUTDOWN_BOTH) {
+ SSL_UNLOCK_READER(ss);
+ }
+ return rv;
+}
+
+static PRStatus PR_CALLBACK
+ssl_Close(PRFileDesc *fd)
+{
+ sslSocket *ss;
+ PRStatus rv;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in close", SSL_GETPID(), fd));
+ return PR_FAILURE;
+ }
+
+ /* There must not be any I/O going on */
+ SSL_LOCK_READER(ss);
+ SSL_LOCK_WRITER(ss);
+
+ /* By the time this function returns,
+ ** ss is an invalid pointer, and the locks to which it points have
+ ** been unlocked and freed. So, this is the ONE PLACE in all of SSL
+ ** where the LOCK calls and the corresponding UNLOCK calls are not in
+ ** the same function scope. The unlock calls are in ssl_FreeSocket().
+ */
+ rv = (PRStatus)(*ss->ops->close)(ss);
+
+ return rv;
+}
+
+static int PR_CALLBACK
+ssl_Recv(PRFileDesc *fd, void *buf, PRInt32 len, PRIntn flags,
+ PRIntervalTime timeout)
+{
+ sslSocket *ss;
+ int rv;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in recv", SSL_GETPID(), fd));
+ return SECFailure;
+ }
+ SSL_LOCK_READER(ss);
+ ss->rTimeout = timeout;
+ if (!ss->opt.fdx)
+ ss->wTimeout = timeout;
+ rv = (*ss->ops->recv)(ss, (unsigned char*)buf, len, flags);
+ SSL_UNLOCK_READER(ss);
+ return rv;
+}
+
+static int PR_CALLBACK
+ssl_Send(PRFileDesc *fd, const void *buf, PRInt32 len, PRIntn flags,
+ PRIntervalTime timeout)
+{
+ sslSocket *ss;
+ int rv;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in send", SSL_GETPID(), fd));
+ return SECFailure;
+ }
+ SSL_LOCK_WRITER(ss);
+ ss->wTimeout = timeout;
+ if (!ss->opt.fdx)
+ ss->rTimeout = timeout;
+ rv = (*ss->ops->send)(ss, (const unsigned char*)buf, len, flags);
+ SSL_UNLOCK_WRITER(ss);
+ return rv;
+}
+
+static int PR_CALLBACK
+ssl_Read(PRFileDesc *fd, void *buf, PRInt32 len)
+{
+ sslSocket *ss;
+ int rv;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in read", SSL_GETPID(), fd));
+ return SECFailure;
+ }
+ SSL_LOCK_READER(ss);
+ ss->rTimeout = PR_INTERVAL_NO_TIMEOUT;
+ if (!ss->opt.fdx)
+ ss->wTimeout = PR_INTERVAL_NO_TIMEOUT;
+ rv = (*ss->ops->read)(ss, (unsigned char*)buf, len);
+ SSL_UNLOCK_READER(ss);
+ return rv;
+}
+
+static int PR_CALLBACK
+ssl_Write(PRFileDesc *fd, const void *buf, PRInt32 len)
+{
+ sslSocket *ss;
+ int rv;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in write", SSL_GETPID(), fd));
+ return SECFailure;
+ }
+ SSL_LOCK_WRITER(ss);
+ ss->wTimeout = PR_INTERVAL_NO_TIMEOUT;
+ if (!ss->opt.fdx)
+ ss->rTimeout = PR_INTERVAL_NO_TIMEOUT;
+ rv = (*ss->ops->write)(ss, (const unsigned char*)buf, len);
+ SSL_UNLOCK_WRITER(ss);
+ return rv;
+}
+
+static PRStatus PR_CALLBACK
+ssl_GetPeerName(PRFileDesc *fd, PRNetAddr *addr)
+{
+ sslSocket *ss;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in getpeername", SSL_GETPID(), fd));
+ return PR_FAILURE;
+ }
+ return (PRStatus)(*ss->ops->getpeername)(ss, addr);
+}
+
+/*
+*/
+SECStatus
+ssl_GetPeerInfo(sslSocket *ss)
+{
+ PRFileDesc * osfd;
+ int rv;
+ PRNetAddr sin;
+
+ osfd = ss->fd->lower;
+
+ PORT_Memset(&sin, 0, sizeof(sin));
+ rv = osfd->methods->getpeername(osfd, &sin);
+ if (rv < 0) {
+ return SECFailure;
+ }
+ ss->TCPconnected = 1;
+ if (sin.inet.family == PR_AF_INET) {
+ PR_ConvertIPv4AddrToIPv6(sin.inet.ip, &ss->sec.ci.peer);
+ ss->sec.ci.port = sin.inet.port;
+ } else if (sin.ipv6.family == PR_AF_INET6) {
+ ss->sec.ci.peer = sin.ipv6.ip;
+ ss->sec.ci.port = sin.ipv6.port;
+ } else {
+ PORT_SetError(PR_ADDRESS_NOT_SUPPORTED_ERROR);
+ return SECFailure;
+ }
+ return SECSuccess;
+}
+
+static PRStatus PR_CALLBACK
+ssl_GetSockName(PRFileDesc *fd, PRNetAddr *name)
+{
+ sslSocket *ss;
+
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in getsockname", SSL_GETPID(), fd));
+ return PR_FAILURE;
+ }
+ return (PRStatus)(*ss->ops->getsockname)(ss, name);
+}
+
+SECStatus PR_CALLBACK
+SSL_SetSockPeerID(PRFileDesc *fd, char *peerID)
+{
+ sslSocket *ss;
+
+ ss = ssl_FindSocket(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in SSL_SetCacheIndex",
+ SSL_GETPID(), fd));
+ return SECFailure;
+ }
+
+ if (ss->peerID) {
+ PORT_Free(ss->peerID);
+ ss->peerID = NULL;
+ }
+ if (peerID)
+ ss->peerID = PORT_Strdup(peerID);
+ return (ss->peerID || !peerID) ? SECSuccess : SECFailure;
+}
+
+#define PR_POLL_RW (PR_POLL_WRITE | PR_POLL_READ)
+
+static PRInt16 PR_CALLBACK
+ssl_Poll(PRFileDesc *fd, PRInt16 how_flags, PRInt16 *p_out_flags)
+{
+ sslSocket *ss;
+ PRInt16 new_flags = how_flags; /* should select on these flags. */
+ PRNetAddr addr;
+
+ *p_out_flags = 0;
+ ss = ssl_GetPrivate(fd);
+ if (!ss) {
+ SSL_DBG(("%d: SSL[%d]: bad socket in SSL_Poll",
+ SSL_GETPID(), fd));
+ return 0; /* don't poll on this socket */
+ }
+
+ if (ss->opt.useSecurity &&
+ ss->handshaking != sslHandshakingUndetermined &&
+ !ss->firstHsDone &&
+ (how_flags & PR_POLL_RW)) {
+ if (!ss->TCPconnected) {
+ ss->TCPconnected = (PR_SUCCESS == ssl_DefGetpeername(ss, &addr));
+ }
+ /* If it's not connected, then presumably the application is polling
+ ** on read or write appropriately, so don't change it.
+ */
+ if (ss->TCPconnected) {
+ if (!ss->handshakeBegun) {
+ /* If the handshake has not begun, poll on read or write
+ ** based on the local application's role in the handshake,
+ ** not based on what the application requested.
+ */
+ new_flags &= ~PR_POLL_RW;
+ if (ss->handshaking == sslHandshakingAsClient) {
+ new_flags |= PR_POLL_WRITE;
+ } else { /* handshaking as server */
+ new_flags |= PR_POLL_READ;
+ }
+ } else
+ /* First handshake is in progress */
+ if (ss->lastWriteBlocked) {
+ if (new_flags & PR_POLL_READ) {
+ /* The caller is waiting for data to be received,
+ ** but the initial handshake is blocked on write, or the
+ ** client's first handshake record has not been written.
+ ** The code should select on write, not read.
+ */
+ new_flags ^= PR_POLL_READ; /* don't select on read. */
+ new_flags |= PR_POLL_WRITE; /* do select on write. */
+ }
+ } else if (new_flags & PR_POLL_WRITE) {
+ /* The caller is trying to write, but the handshake is
+ ** blocked waiting for data to read, and the first
+ ** handshake has been sent. so do NOT to poll on write.
+ */
+ new_flags ^= PR_POLL_WRITE; /* don't select on write. */
+ new_flags |= PR_POLL_READ; /* do select on read. */
+ }
+ }
+ } else if ((new_flags & PR_POLL_READ) && (SSL_DataPending(fd) > 0)) {
+ *p_out_flags = PR_POLL_READ; /* it's ready already. */
+ return new_flags;
+ } else if ((ss->lastWriteBlocked) && (how_flags & PR_POLL_READ) &&
+ (ss->pendingBuf.len != 0)) { /* write data waiting to be sent */
+ new_flags |= PR_POLL_WRITE; /* also select on write. */
+ }
+ if (new_flags && (fd->lower->methods->poll != NULL)) {
+ PRInt16 lower_out_flags = 0;
+ PRInt16 lower_new_flags;
+ lower_new_flags = fd->lower->methods->poll(fd->lower, new_flags,
+ &lower_out_flags);
+ if ((lower_new_flags & lower_out_flags) && (how_flags != new_flags)) {
+ PRInt16 out_flags = lower_out_flags & ~PR_POLL_RW;
+ if (lower_out_flags & PR_POLL_READ)
+ out_flags |= PR_POLL_WRITE;
+ if (lower_out_flags & PR_POLL_WRITE)
+ out_flags |= PR_POLL_READ;
+ *p_out_flags = out_flags;
+ new_flags = how_flags;
+ } else {
+ *p_out_flags = lower_out_flags;
+ new_flags = lower_new_flags;
+ }
+ }
+
+ return new_flags;
+}
+
+static PRInt32 PR_CALLBACK
+ssl_TransmitFile(PRFileDesc *sd, PRFileDesc *fd,
+ const void *headers, PRInt32 hlen,
+ PRTransmitFileFlags flags, PRIntervalTime timeout)
+{
+ PRSendFileData sfd;
+
+ sfd.fd = fd;
+ sfd.file_offset = 0;
+ sfd.file_nbytes = 0;
+ sfd.header = headers;
+ sfd.hlen = hlen;
+ sfd.trailer = NULL;
+ sfd.tlen = 0;
+
+ return sd->methods->sendfile(sd, &sfd, flags, timeout);
+}
+
+
+PRBool
+ssl_FdIsBlocking(PRFileDesc *fd)
+{
+ PRSocketOptionData opt;
+ PRStatus status;
+
+ opt.option = PR_SockOpt_Nonblocking;
+ opt.value.non_blocking = PR_FALSE;
+ status = PR_GetSocketOption(fd, &opt);
+ if (status != PR_SUCCESS)
+ return PR_FALSE;
+ return (PRBool)!opt.value.non_blocking;
+}
+
+PRBool
+ssl_SocketIsBlocking(sslSocket *ss)
+{
+ return ssl_FdIsBlocking(ss->fd);
+}
+
+PRInt32 sslFirstBufSize = 8 * 1024;
+PRInt32 sslCopyLimit = 1024;
+
+static PRInt32 PR_CALLBACK
+ssl_WriteV(PRFileDesc *fd, const PRIOVec *iov, PRInt32 vectors,
+ PRIntervalTime timeout)
+{
+ PRInt32 bufLen;
+ PRInt32 left;
+ PRInt32 rv;
+ PRInt32 sent = 0;
+ const PRInt32 first_len = sslFirstBufSize;
+ const PRInt32 limit = sslCopyLimit;
+ PRBool blocking;
+ PRIOVec myIov = { 0, 0 };
+ char buf[MAX_FRAGMENT_LENGTH];
+
+ if (vectors > PR_MAX_IOVECTOR_SIZE) {
+ PORT_SetError(PR_BUFFER_OVERFLOW_ERROR);
+ return -1;
+ }
+ blocking = ssl_FdIsBlocking(fd);
+
+#define K16 sizeof(buf)
+#define KILL_VECTORS while (vectors && !iov->iov_len) { ++iov; --vectors; }
+#define GET_VECTOR do { myIov = *iov++; --vectors; KILL_VECTORS } while (0)
+#define HANDLE_ERR(rv, len) \
+ if (rv != len) { \
+ if (rv < 0) { \
+ if (!blocking \
+ && (PR_GetError() == PR_WOULD_BLOCK_ERROR) \
+ && (sent > 0)) { \
+ return sent; \
+ } else { \
+ return -1; \
+ } \
+ } \
+ /* Only a nonblocking socket can have partial sends */ \
+ PR_ASSERT(!blocking); \
+ return sent + rv; \
+ }
+#define SEND(bfr, len) \
+ do { \
+ rv = ssl_Send(fd, bfr, len, 0, timeout); \
+ HANDLE_ERR(rv, len) \
+ sent += len; \
+ } while (0)
+
+ /* Make sure the first write is at least 8 KB, if possible. */
+ KILL_VECTORS
+ if (!vectors)
+ return ssl_Send(fd, 0, 0, 0, timeout);
+ GET_VECTOR;
+ if (!vectors) {
+ return ssl_Send(fd, myIov.iov_base, myIov.iov_len, 0, timeout);
+ }
+ if (myIov.iov_len < first_len) {
+ PORT_Memcpy(buf, myIov.iov_base, myIov.iov_len);
+ bufLen = myIov.iov_len;
+ left = first_len - bufLen;
+ while (vectors && left) {
+ int toCopy;
+ GET_VECTOR;
+ toCopy = PR_MIN(left, myIov.iov_len);
+ PORT_Memcpy(buf + bufLen, myIov.iov_base, toCopy);
+ bufLen += toCopy;
+ left -= toCopy;
+ myIov.iov_base += toCopy;
+ myIov.iov_len -= toCopy;
+ }
+ SEND( buf, bufLen );
+ }
+
+ while (vectors || myIov.iov_len) {
+ PRInt32 addLen;
+ if (!myIov.iov_len) {
+ GET_VECTOR;
+ }
+ while (myIov.iov_len >= K16) {
+ SEND(myIov.iov_base, K16);
+ myIov.iov_base += K16;
+ myIov.iov_len -= K16;
+ }
+ if (!myIov.iov_len)
+ continue;
+
+ if (!vectors || myIov.iov_len > limit) {
+ addLen = 0;
+ } else if ((addLen = iov->iov_len % K16) + myIov.iov_len <= limit) {
+ /* Addlen is already computed. */;
+ } else if (vectors > 1 &&
+ iov[1].iov_len % K16 + addLen + myIov.iov_len <= 2 * limit) {
+ addLen = limit - myIov.iov_len;
+ } else
+ addLen = 0;
+
+ if (!addLen) {
+ SEND( myIov.iov_base, myIov.iov_len );
+ myIov.iov_len = 0;
+ continue;
+ }
+ PORT_Memcpy(buf, myIov.iov_base, myIov.iov_len);
+ bufLen = myIov.iov_len;
+ do {
+ GET_VECTOR;
+ PORT_Memcpy(buf + bufLen, myIov.iov_base, addLen);
+ myIov.iov_base += addLen;
+ myIov.iov_len -= addLen;
+ bufLen += addLen;
+
+ left = PR_MIN( limit, K16 - bufLen);
+ if (!vectors /* no more left */
+ || myIov.iov_len > 0 /* we didn't use that one all up */
+ || bufLen >= K16 /* it's full. */
+ ) {
+ addLen = 0;
+ } else if ((addLen = iov->iov_len % K16) <= left) {
+ /* Addlen is already computed. */;
+ } else if (vectors > 1 &&
+ iov[1].iov_len % K16 + addLen <= left + limit) {
+ addLen = left;
+ } else
+ addLen = 0;
+
+ } while (addLen);
+ SEND( buf, bufLen );
+ }
+ return sent;
+}
+
+/*
+ * These functions aren't implemented.
+ */
+
+static PRInt32 PR_CALLBACK
+ssl_Available(PRFileDesc *fd)
+{
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return SECFailure;
+}
+
+static PRInt64 PR_CALLBACK
+ssl_Available64(PRFileDesc *fd)
+{
+ PRInt64 res;
+
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ LL_I2L(res, -1L);
+ return res;
+}
+
+static PRStatus PR_CALLBACK
+ssl_FSync(PRFileDesc *fd)
+{
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return PR_FAILURE;
+}
+
+static PRInt32 PR_CALLBACK
+ssl_Seek(PRFileDesc *fd, PRInt32 offset, PRSeekWhence how) {
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return SECFailure;
+}
+
+static PRInt64 PR_CALLBACK
+ssl_Seek64(PRFileDesc *fd, PRInt64 offset, PRSeekWhence how) {
+ PRInt64 res;
+
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ LL_I2L(res, -1L);
+ return res;
+}
+
+static PRStatus PR_CALLBACK
+ssl_FileInfo(PRFileDesc *fd, PRFileInfo *info)
+{
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return PR_FAILURE;
+}
+
+static PRStatus PR_CALLBACK
+ssl_FileInfo64(PRFileDesc *fd, PRFileInfo64 *info)
+{
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return PR_FAILURE;
+}
+
+static PRInt32 PR_CALLBACK
+ssl_RecvFrom(PRFileDesc *fd, void *buf, PRInt32 amount, PRIntn flags,
+ PRNetAddr *addr, PRIntervalTime timeout)
+{
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return SECFailure;
+}
+
+static PRInt32 PR_CALLBACK
+ssl_SendTo(PRFileDesc *fd, const void *buf, PRInt32 amount, PRIntn flags,
+ const PRNetAddr *addr, PRIntervalTime timeout)
+{
+ PORT_Assert(0);
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return SECFailure;
+}
+
+static const PRIOMethods ssl_methods = {
+ PR_DESC_LAYERED,
+ ssl_Close, /* close */
+ ssl_Read, /* read */
+ ssl_Write, /* write */
+ ssl_Available, /* available */
+ ssl_Available64, /* available64 */
+ ssl_FSync, /* fsync */
+ ssl_Seek, /* seek */
+ ssl_Seek64, /* seek64 */
+ ssl_FileInfo, /* fileInfo */
+ ssl_FileInfo64, /* fileInfo64 */
+ ssl_WriteV, /* writev */
+ ssl_Connect, /* connect */
+ ssl_Accept, /* accept */
+ ssl_Bind, /* bind */
+ ssl_Listen, /* listen */
+ ssl_Shutdown, /* shutdown */
+ ssl_Recv, /* recv */
+ ssl_Send, /* send */
+ ssl_RecvFrom, /* recvfrom */
+ ssl_SendTo, /* sendto */
+ ssl_Poll, /* poll */
+ PR_EmulateAcceptRead, /* acceptread */
+ ssl_TransmitFile, /* transmitfile */
+ ssl_GetSockName, /* getsockname */
+ ssl_GetPeerName, /* getpeername */
+ NULL, /* getsockopt OBSOLETE */
+ NULL, /* setsockopt OBSOLETE */
+ NULL, /* getsocketoption */
+ NULL, /* setsocketoption */
+ PR_EmulateSendFile, /* Send a (partial) file with header/trailer*/
+ NULL, /* reserved for future use */
+ NULL, /* reserved for future use */
+ NULL, /* reserved for future use */
+ NULL, /* reserved for future use */
+ NULL /* reserved for future use */
+};
+
+
+static PRIOMethods combined_methods;
+
+static void
+ssl_SetupIOMethods(void)
+{
+ PRIOMethods *new_methods = &combined_methods;
+ const PRIOMethods *nspr_methods = PR_GetDefaultIOMethods();
+ const PRIOMethods *my_methods = &ssl_methods;
+
+ *new_methods = *nspr_methods;
+
+ new_methods->file_type = my_methods->file_type;
+ new_methods->close = my_methods->close;
+ new_methods->read = my_methods->read;
+ new_methods->write = my_methods->write;
+ new_methods->available = my_methods->available;
+ new_methods->available64 = my_methods->available64;
+ new_methods->fsync = my_methods->fsync;
+ new_methods->seek = my_methods->seek;
+ new_methods->seek64 = my_methods->seek64;
+ new_methods->fileInfo = my_methods->fileInfo;
+ new_methods->fileInfo64 = my_methods->fileInfo64;
+ new_methods->writev = my_methods->writev;
+ new_methods->connect = my_methods->connect;
+ new_methods->accept = my_methods->accept;
+ new_methods->bind = my_methods->bind;
+ new_methods->listen = my_methods->listen;
+ new_methods->shutdown = my_methods->shutdown;
+ new_methods->recv = my_methods->recv;
+ new_methods->send = my_methods->send;
+ new_methods->recvfrom = my_methods->recvfrom;
+ new_methods->sendto = my_methods->sendto;
+ new_methods->poll = my_methods->poll;
+ new_methods->acceptread = my_methods->acceptread;
+ new_methods->transmitfile = my_methods->transmitfile;
+ new_methods->getsockname = my_methods->getsockname;
+ new_methods->getpeername = my_methods->getpeername;
+/* new_methods->getsocketoption = my_methods->getsocketoption; */
+/* new_methods->setsocketoption = my_methods->setsocketoption; */
+ new_methods->sendfile = my_methods->sendfile;
+
+}
+
+static PRCallOnceType initIoLayerOnce;
+
+static PRStatus
+ssl_InitIOLayer(void)
+{
+ ssl_layer_id = PR_GetUniqueIdentity("SSL");
+ ssl_SetupIOMethods();
+ ssl_inited = PR_TRUE;
+ return PR_SUCCESS;
+}
+
+static PRStatus
+ssl_PushIOLayer(sslSocket *ns, PRFileDesc *stack, PRDescIdentity id)
+{
+ PRFileDesc *layer = NULL;
+ PRStatus status;
+
+ if (!ssl_inited) {
+ PR_CallOnce(&initIoLayerOnce, &ssl_InitIOLayer);
+ }
+
+ if (ns == NULL)
+ goto loser;
+
+ layer = PR_CreateIOLayerStub(ssl_layer_id, &combined_methods);
+ if (layer == NULL)
+ goto loser;
+ layer->secret = (PRFilePrivate *)ns;
+
+ /* Here, "stack" points to the PRFileDesc on the top of the stack.
+ ** "layer" points to a new FD that is to be inserted into the stack.
+ ** If layer is being pushed onto the top of the stack, then
+ ** PR_PushIOLayer switches the contents of stack and layer, and then
+ ** puts stack on top of layer, so that after it is done, the top of
+ ** stack is the same "stack" as it was before, and layer is now the
+ ** FD for the former top of stack.
+ ** After this call, stack always points to the top PRFD on the stack.
+ ** If this function fails, the contents of stack and layer are as
+ ** they were before the call.
+ */
+ status = PR_PushIOLayer(stack, id, layer);
+ if (status != PR_SUCCESS)
+ goto loser;
+
+ ns->fd = (id == PR_TOP_IO_LAYER) ? stack : layer;
+ return PR_SUCCESS;
+
+loser:
+ if (layer) {
+ layer->dtor(layer); /* free layer */
+ }
+ return PR_FAILURE;
+}
+
+/* if this fails, caller must destroy socket. */
+static SECStatus
+ssl_MakeLocks(sslSocket *ss)
+{
+ ss->firstHandshakeLock = PZ_NewMonitor(nssILockSSL);
+ if (!ss->firstHandshakeLock)
+ goto loser;
+ ss->ssl3HandshakeLock = PZ_NewMonitor(nssILockSSL);
+ if (!ss->ssl3HandshakeLock)
+ goto loser;
+ ss->specLock = NSSRWLock_New(SSL_LOCK_RANK_SPEC, NULL);
+ if (!ss->specLock)
+ goto loser;
+ ss->recvBufLock = PZ_NewMonitor(nssILockSSL);
+ if (!ss->recvBufLock)
+ goto loser;
+ ss->xmitBufLock = PZ_NewMonitor(nssILockSSL);
+ if (!ss->xmitBufLock)
+ goto loser;
+ ss->writerThread = NULL;
+ if (ssl_lock_readers) {
+ ss->recvLock = PZ_NewLock(nssILockSSL);
+ if (!ss->recvLock)
+ goto loser;
+ ss->sendLock = PZ_NewLock(nssILockSSL);
+ if (!ss->sendLock)
+ goto loser;
+ }
+ return SECSuccess;
+loser:
+ ssl_DestroyLocks(ss);
+ return SECFailure;
+}
+
+#if (defined(XP_UNIX) || defined(XP_WIN32) || defined(XP_BEOS)) && !defined(_WIN32_WCE)
+#define NSS_HAVE_GETENV 1
+#endif
+
+#define LOWER(x) (x | 0x20) /* cheap ToLower function ignores LOCALE */
+
+/*
+** Create a newsocket structure for a file descriptor.
+*/
+static sslSocket *
+ssl_NewSocket(PRBool makeLocks)
+{
+ sslSocket *ss;
+#if defined( NSS_HAVE_GETENV )
+ static int firsttime = 1;
+
+ if (firsttime) {
+ char * ev;
+ firsttime = 0;
+#ifdef DEBUG
+ ev = getenv("SSLDEBUGFILE");
+ if (ev && ev[0]) {
+ ssl_trace_iob = fopen(ev, "w");
+ }
+ if (!ssl_trace_iob) {
+ ssl_trace_iob = stderr;
+ }
+#ifdef TRACE
+ ev = getenv("SSLTRACE");
+ if (ev && ev[0]) {
+ ssl_trace = atoi(ev);
+ SSL_TRACE(("SSL: tracing set to %d", ssl_trace));
+ }
+#endif /* TRACE */
+ ev = getenv("SSLDEBUG");
+ if (ev && ev[0]) {
+ ssl_debug = atoi(ev);
+ SSL_TRACE(("SSL: debugging set to %d", ssl_debug));
+ }
+#endif /* DEBUG */
+ ev = getenv("SSLBYPASS");
+ if (ev && ev[0]) {
+ ssl_defaults.bypassPKCS11 = (ev[0] == '1');
+ SSL_TRACE(("SSL: bypass default set to %d", \
+ ssl_defaults.bypassPKCS11));
+ }
+ ev = getenv("SSLFORCELOCKS");
+ if (ev && ev[0] == '1') {
+ ssl_force_locks = PR_TRUE;
+ ssl_defaults.noLocks = 0;
+ strcpy(lockStatus + LOCKSTATUS_OFFSET, "FORCED. ");
+ SSL_TRACE(("SSL: force_locks set to %d", ssl_force_locks));
+ }
+ ev = getenv("NSS_SSL_ENABLE_RENEGOTIATION");
+ if (ev) {
+ if (ev[0] == '1' || LOWER(ev[0]) == 'u')
+ ssl_defaults.enableRenegotiation = SSL_RENEGOTIATE_UNRESTRICTED;
+#ifdef LATER
+ /* When SSL_RENEGOTIATE_REQUIRES_XTN is implemented, it will be
+ * the default. Until then, NEVER will be the default.
+ */
+ else if (ev[0] == '0' || LOWER(ev[0]) == 'n')
+ ssl_defaults.enableRenegotiation = SSL_RENEGOTIATE_NEVER;
+ else
+ ssl_defaults.enableRenegotiation = SSL_RENEGOTIATE_REQUIRES_XTN;
+#else
+ else
+ ssl_defaults.enableRenegotiation = SSL_RENEGOTIATE_NEVER;
+#endif
+
+ SSL_TRACE(("SSL: enableRenegotiation set to %d",
+ ssl_defaults.enableRenegotiation));
+ }
+ ev = getenv("NSS_SSL_REQUIRE_SAFE_NEGOTIATION");
+ if (ev && ev[0] == '1') {
+ ssl_defaults.requireSafeNegotiation = PR_TRUE;
+ SSL_TRACE(("SSL: requireSafeNegotiation set to %d",
+ PR_TRUE));
+ }
+ }
+#endif /* NSS_HAVE_GETENV */
+ if (ssl_force_locks)
+ makeLocks = PR_TRUE;
+
+ /* Make a new socket and get it ready */
+ ss = (sslSocket*) PORT_ZAlloc(sizeof(sslSocket));
+ if (ss) {
+ /* This should be of type SSLKEAType, but CC on IRIX
+ * complains during the for loop.
+ */
+ int i;
+ SECStatus status;
+
+ ss->opt = ssl_defaults;
+ ss->opt.useSocks = PR_FALSE;
+ ss->opt.noLocks = !makeLocks;
+
+ ss->peerID = NULL;
+ ss->rTimeout = PR_INTERVAL_NO_TIMEOUT;
+ ss->wTimeout = PR_INTERVAL_NO_TIMEOUT;
+ ss->cTimeout = PR_INTERVAL_NO_TIMEOUT;
+ ss->cipherSpecs = NULL;
+ ss->sizeCipherSpecs = 0; /* produced lazily */
+ ss->preferredCipher = NULL;
+ ss->url = NULL;
+
+ for (i=kt_null; i < kt_kea_size; i++) {
+ sslServerCerts * sc = ss->serverCerts + i;
+ sc->serverCert = NULL;
+ sc->serverCertChain = NULL;
+ sc->serverKeyPair = NULL;
+ sc->serverKeyBits = 0;
+ }
+ ss->stepDownKeyPair = NULL;
+ ss->dbHandle = CERT_GetDefaultCertDB();
+
+ /* Provide default implementation of hooks */
+ ss->authCertificate = SSL_AuthCertificate;
+ ss->authCertificateArg = (void *)ss->dbHandle;
+ ss->getClientAuthData = NULL;
+ ss->handleBadCert = NULL;
+ ss->badCertArg = NULL;
+ ss->pkcs11PinArg = NULL;
+
+ ssl_ChooseOps(ss);
+ ssl2_InitSocketPolicy(ss);
+ ssl3_InitSocketPolicy(ss);
+
+ if (makeLocks) {
+ status = ssl_MakeLocks(ss);
+ if (status != SECSuccess)
+ goto loser;
+ }
+ status = ssl_CreateSecurityInfo(ss);
+ if (status != SECSuccess)
+ goto loser;
+ status = ssl_InitGather(&ss->gs);
+ if (status != SECSuccess) {
+loser:
+ ssl_DestroySocketContents(ss);
+ ssl_DestroyLocks(ss);
+ PORT_Free(ss);
+ ss = NULL;
+ }
+ }
+ return ss;
+}
+
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