150 lines
4.3 KiB
Diff
150 lines
4.3 KiB
Diff
--- ./lib/ssl/config.mk.disableSSL2libssl 2016-01-29 02:30:10.000000000 -0800
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+++ ./lib/ssl/config.mk 2016-02-06 11:20:50.322990421 -0800
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@@ -2,16 +2,20 @@
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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ifdef NISCC_TEST
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DEFINES += -DNISCC_TEST
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endif
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+ifdef NSS_NO_SSL2_NO_EXPORT
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+DEFINES += -DNSS_NO_SSL2_NO_EXPORT
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+endif
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+
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# Allow build-time configuration of TLS 1.3 (Experimental)
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ifdef NSS_ENABLE_TLS_1_3
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DEFINES += -DNSS_ENABLE_TLS_1_3
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endif
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ifdef NSS_NO_PKCS11_BYPASS
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DEFINES += -DNO_PKCS11_BYPASS
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else
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--- ./lib/ssl/sslsock.c.disableSSL2libssl 2016-02-06 11:20:50.312990617 -0800
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+++ ./lib/ssl/sslsock.c 2016-02-06 11:26:04.123828138 -0800
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@@ -705,16 +705,22 @@ SSL_OptionSet(PRFileDesc *fd, PRInt32 wh
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if (ss->cipherSpecs) {
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PORT_Free(ss->cipherSpecs);
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ss->cipherSpecs = NULL;
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ss->sizeCipherSpecs = 0;
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}
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break;
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case SSL_ENABLE_SSL2:
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+#ifdef NSS_NO_SSL2_NO_EXPORT
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+ if (on) {
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+ PORT_SetError(SSL_ERROR_SSL2_DISABLED);
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+ rv = SECFailure; /* not allowed */
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+ }
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+#else
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if (IS_DTLS(ss)) {
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if (on) {
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PORT_SetError(SEC_ERROR_INVALID_ARGS);
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rv = SECFailure; /* not allowed */
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}
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break;
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}
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if (on) {
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@@ -729,52 +735,67 @@ SSL_OptionSet(PRFileDesc *fd, PRInt32 wh
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ss->opt.v2CompatibleHello = on;
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}
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ss->preferredCipher = NULL;
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if (ss->cipherSpecs) {
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PORT_Free(ss->cipherSpecs);
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ss->cipherSpecs = NULL;
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ss->sizeCipherSpecs = 0;
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}
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+#endif /* NSS_NO_SSL2_NO_EXPORT */
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break;
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case SSL_NO_CACHE:
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ss->opt.noCache = on;
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break;
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case SSL_ENABLE_FDX:
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if (on && ss->opt.noLocks) {
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PORT_SetError(SEC_ERROR_INVALID_ARGS);
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rv = SECFailure;
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}
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ss->opt.fdx = on;
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break;
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case SSL_V2_COMPATIBLE_HELLO:
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+#ifdef NSS_NO_SSL2_NO_EXPORT
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+ if (on) {
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+ PORT_SetError(SSL_ERROR_SSL2_DISABLED);
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+ rv = SECFailure; /* not allowed */
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+ }
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+#else
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if (IS_DTLS(ss)) {
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if (on) {
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PORT_SetError(SEC_ERROR_INVALID_ARGS);
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rv = SECFailure; /* not allowed */
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}
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break;
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}
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ss->opt.v2CompatibleHello = on;
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if (!on) {
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ss->opt.enableSSL2 = on;
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}
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+#endif /* NSS_NO_SSL2_NO_EXPORT */
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break;
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case SSL_ROLLBACK_DETECTION:
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ss->opt.detectRollBack = on;
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break;
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case SSL_NO_STEP_DOWN:
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+#ifdef NSS_NO_SSL2_NO_EXPORT
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+ if (!on) {
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+ PORT_SetError(SSL_ERROR_SSL2_DISABLED);
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+ rv = SECFailure; /* not allowed */
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+ }
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+#else
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ss->opt.noStepDown = on;
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if (on)
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SSL_DisableExportCipherSuites(fd);
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+#endif /* NSS_NO_SSL2_NO_EXPORT */
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break;
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case SSL_BYPASS_PKCS11:
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if (ss->handshakeBegun) {
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PORT_SetError(PR_INVALID_STATE_ERROR);
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rv = SECFailure;
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} else {
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if (PR_FALSE != on) {
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@@ -1235,16 +1256,32 @@ SSL_OptionSetDefault(PRInt32 which, PRBo
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}
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return SECSuccess;
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}
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/* function tells us if the cipher suite is one that we no longer support. */
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static PRBool
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ssl_IsRemovedCipherSuite(PRInt32 suite)
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{
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+#ifdef NSS_NO_SSL2_NO_EXPORT
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+ /* both ssl2 and export cipher suites disabled */
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+ if (SSL_IS_SSL2_CIPHER(suite))
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+ return PR_TRUE;
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+ if (SSL_IsExportCipherSuite(suite)) {
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+ SSLCipherSuiteInfo csdef;
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+ if (SSL_GetCipherSuiteInfo(suite, &csdef, sizeof(csdef)) != SECSuccess) {
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+ /* failure to retrieve info, disable */
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+ return PR_TRUE;
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+ }
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+ if (csdef.symCipher != ssl_calg_null) {
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+ /* disable all except NULL ciphersuites */
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+ return PR_TRUE;
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+ }
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+ }
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+#endif /* NSS_NO_SSL2_NO_EXPORT */
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switch (suite) {
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case SSL_FORTEZZA_DMS_WITH_NULL_SHA:
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case SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA:
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case SSL_FORTEZZA_DMS_WITH_RC4_128_SHA:
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return PR_TRUE;
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default:
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return PR_FALSE;
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}
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