| /* Copyright (c) 2014, Google Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <time.h> |
| |
| #include <algorithm> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include <gtest/gtest.h> |
| |
| #include <openssl/base64.h> |
| #include <openssl/bio.h> |
| #include <openssl/cipher.h> |
| #include <openssl/crypto.h> |
| #include <openssl/err.h> |
| #include <openssl/hmac.h> |
| #include <openssl/pem.h> |
| #include <openssl/sha.h> |
| #include <openssl/ssl.h> |
| #include <openssl/rand.h> |
| #include <openssl/x509.h> |
| |
| #include "internal.h" |
| #include "../crypto/internal.h" |
| #include "../crypto/test/test_util.h" |
| |
| #if defined(OPENSSL_WINDOWS) |
| /* Windows defines struct timeval in winsock2.h. */ |
| OPENSSL_MSVC_PRAGMA(warning(push, 3)) |
| #include <winsock2.h> |
| OPENSSL_MSVC_PRAGMA(warning(pop)) |
| #else |
| #include <sys/time.h> |
| #endif |
| |
| |
| struct ExpectedCipher { |
| unsigned long id; |
| int in_group_flag; |
| }; |
| |
| struct CipherTest { |
| // The rule string to apply. |
| const char *rule; |
| // The list of expected ciphers, in order. |
| std::vector<ExpectedCipher> expected; |
| // True if this cipher list should fail in strict mode. |
| bool strict_fail; |
| }; |
| |
| struct CurveTest { |
| // The rule string to apply. |
| const char *rule; |
| // The list of expected curves, in order. |
| std::vector<uint16_t> expected; |
| }; |
| |
| static const CipherTest kCipherTests[] = { |
| // Selecting individual ciphers should work. |
| { |
| "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| "ECDHE-RSA-CHACHA20-POLY1305:" |
| "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| "ECDHE-RSA-AES128-GCM-SHA256", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| false, |
| }, |
| // + reorders selected ciphers to the end, keeping their relative order. |
| { |
| "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| "ECDHE-RSA-CHACHA20-POLY1305:" |
| "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| "ECDHE-RSA-AES128-GCM-SHA256:" |
| "+aRSA", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| false, |
| }, |
| // ! banishes ciphers from future selections. |
| { |
| "!aRSA:" |
| "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| "ECDHE-RSA-CHACHA20-POLY1305:" |
| "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| "ECDHE-RSA-AES128-GCM-SHA256", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| false, |
| }, |
| // Multiple masks can be ANDed in a single rule. |
| { |
| "kRSA+AESGCM+AES128", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| false, |
| }, |
| // - removes selected ciphers, but preserves their order for future |
| // selections. Select AES_128_GCM, but order the key exchanges RSA, |
| // ECDHE_RSA. |
| { |
| "ALL:-kECDHE:" |
| "-kRSA:-ALL:" |
| "AESGCM+AES128+aRSA", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| false, |
| }, |
| // Unknown selectors are no-ops, except in strict mode. |
| { |
| "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| "ECDHE-RSA-CHACHA20-POLY1305:" |
| "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| "ECDHE-RSA-AES128-GCM-SHA256:" |
| "BOGUS1", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| true, |
| }, |
| // Unknown selectors are no-ops, except in strict mode. |
| { |
| "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| "ECDHE-RSA-CHACHA20-POLY1305:" |
| "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| "ECDHE-RSA-AES128-GCM-SHA256:" |
| "-BOGUS2:+BOGUS3:!BOGUS4", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| true, |
| }, |
| // Square brackets specify equi-preference groups. |
| { |
| "[ECDHE-ECDSA-CHACHA20-POLY1305|ECDHE-ECDSA-AES128-GCM-SHA256]:" |
| "[ECDHE-RSA-CHACHA20-POLY1305]:" |
| "ECDHE-RSA-AES128-GCM-SHA256", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, 1}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| false, |
| }, |
| // @STRENGTH performs a stable strength-sort of the selected ciphers and |
| // only the selected ciphers. |
| { |
| // To simplify things, banish all but {ECDHE_RSA,RSA} x |
| // {CHACHA20,AES_256_CBC,AES_128_CBC} x SHA1. |
| "!AESGCM:!3DES:!SHA256:!SHA384:" |
| // Order some ciphers backwards by strength. |
| "ALL:-CHACHA20:-AES256:-AES128:-ALL:" |
| // Select ECDHE ones and sort them by strength. Ties should resolve |
| // based on the order above. |
| "kECDHE:@STRENGTH:-ALL:" |
| // Now bring back everything uses RSA. ECDHE_RSA should be first, sorted |
| // by strength. Then RSA, backwards by strength. |
| "aRSA", |
| { |
| {TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, 0}, |
| {TLS1_CK_RSA_WITH_AES_128_SHA, 0}, |
| {TLS1_CK_RSA_WITH_AES_256_SHA, 0}, |
| }, |
| false, |
| }, |
| // Exact ciphers may not be used in multi-part rules; they are treated |
| // as unknown aliases. |
| { |
| "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| "ECDHE-RSA-AES128-GCM-SHA256:" |
| "!ECDHE-RSA-AES128-GCM-SHA256+RSA:" |
| "!ECDSA+ECDHE-ECDSA-AES128-GCM-SHA256", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| true, |
| }, |
| // SSLv3 matches everything that existed before TLS 1.2. |
| { |
| "AES128-SHA:AES128-SHA256:!SSLv3", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_SHA256, 0}, |
| }, |
| false, |
| }, |
| // TLSv1.2 matches everything added in TLS 1.2. |
| { |
| "AES128-SHA:AES128-SHA256:!TLSv1.2", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_SHA, 0}, |
| }, |
| false, |
| }, |
| // The two directives have no intersection. But each component is valid, so |
| // even in strict mode it is accepted. |
| { |
| "AES128-SHA:AES128-SHA256:!TLSv1.2+SSLv3", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_SHA, 0}, |
| {TLS1_CK_RSA_WITH_AES_128_SHA256, 0}, |
| }, |
| false, |
| }, |
| }; |
| |
| static const char *kBadRules[] = { |
| // Invalid brackets. |
| "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256", |
| "RSA]", |
| "[[RSA]]", |
| // Operators inside brackets. |
| "[+RSA]", |
| // Unknown directive. |
| "@BOGUS", |
| // Empty cipher lists error at SSL_CTX_set_cipher_list. |
| "", |
| "BOGUS", |
| // COMPLEMENTOFDEFAULT is empty. |
| "COMPLEMENTOFDEFAULT", |
| // Invalid command. |
| "?BAR", |
| // Special operators are not allowed if groups are used. |
| "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256]:+FOO", |
| "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256]:!FOO", |
| "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256]:-FOO", |
| "[ECDHE-RSA-CHACHA20-POLY1305|ECDHE-RSA-AES128-GCM-SHA256]:@STRENGTH", |
| // Opcode supplied, but missing selector. |
| "+", |
| }; |
| |
| static const char *kMustNotIncludeNull[] = { |
| "ALL", |
| "DEFAULT", |
| "HIGH", |
| "FIPS", |
| "SHA", |
| "SHA1", |
| "RSA", |
| "SSLv3", |
| "TLSv1", |
| "TLSv1.2", |
| }; |
| |
| static const CurveTest kCurveTests[] = { |
| { |
| "P-256", |
| { SSL_CURVE_SECP256R1 }, |
| }, |
| { |
| "P-256:P-384:P-521:X25519", |
| { |
| SSL_CURVE_SECP256R1, |
| SSL_CURVE_SECP384R1, |
| SSL_CURVE_SECP521R1, |
| SSL_CURVE_X25519, |
| }, |
| }, |
| }; |
| |
| static const char *kBadCurvesLists[] = { |
| "", |
| ":", |
| "::", |
| "P-256::X25519", |
| "RSA:P-256", |
| "P-256:RSA", |
| "X25519:P-256:", |
| ":X25519:P-256", |
| }; |
| |
| static std::string CipherListToString(ssl_cipher_preference_list_st *list) { |
| bool in_group = false; |
| std::string ret; |
| for (size_t i = 0; i < sk_SSL_CIPHER_num(list->ciphers); i++) { |
| const SSL_CIPHER *cipher = sk_SSL_CIPHER_value(list->ciphers, i); |
| if (!in_group && list->in_group_flags[i]) { |
| ret += "\t[\n"; |
| in_group = true; |
| } |
| ret += "\t"; |
| if (in_group) { |
| ret += " "; |
| } |
| ret += SSL_CIPHER_get_name(cipher); |
| ret += "\n"; |
| if (in_group && !list->in_group_flags[i]) { |
| ret += "\t]\n"; |
| in_group = false; |
| } |
| } |
| return ret; |
| } |
| |
| static bool CipherListsEqual(ssl_cipher_preference_list_st *list, |
| const std::vector<ExpectedCipher> &expected) { |
| if (sk_SSL_CIPHER_num(list->ciphers) != expected.size()) { |
| return false; |
| } |
| |
| for (size_t i = 0; i < expected.size(); i++) { |
| const SSL_CIPHER *cipher = sk_SSL_CIPHER_value(list->ciphers, i); |
| if (expected[i].id != SSL_CIPHER_get_id(cipher) || |
| expected[i].in_group_flag != list->in_group_flags[i]) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| TEST(SSLTest, CipherRules) { |
| for (const CipherTest &t : kCipherTests) { |
| SCOPED_TRACE(t.rule); |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| // Test lax mode. |
| ASSERT_TRUE(SSL_CTX_set_cipher_list(ctx.get(), t.rule)); |
| EXPECT_TRUE(CipherListsEqual(ctx->cipher_list, t.expected)) |
| << "Cipher rule evaluated to:\n" |
| << CipherListToString(ctx->cipher_list); |
| |
| // Test strict mode. |
| if (t.strict_fail) { |
| EXPECT_FALSE(SSL_CTX_set_strict_cipher_list(ctx.get(), t.rule)); |
| } else { |
| ASSERT_TRUE(SSL_CTX_set_strict_cipher_list(ctx.get(), t.rule)); |
| EXPECT_TRUE(CipherListsEqual(ctx->cipher_list, t.expected)) |
| << "Cipher rule evaluated to:\n" |
| << CipherListToString(ctx->cipher_list); |
| } |
| } |
| |
| for (const char *rule : kBadRules) { |
| SCOPED_TRACE(rule); |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| EXPECT_FALSE(SSL_CTX_set_cipher_list(ctx.get(), rule)); |
| ERR_clear_error(); |
| } |
| |
| for (const char *rule : kMustNotIncludeNull) { |
| SCOPED_TRACE(rule); |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| ASSERT_TRUE(SSL_CTX_set_strict_cipher_list(ctx.get(), rule)); |
| for (size_t i = 0; i < sk_SSL_CIPHER_num(ctx->cipher_list->ciphers); i++) { |
| EXPECT_FALSE(SSL_CIPHER_is_NULL( |
| sk_SSL_CIPHER_value(ctx->cipher_list->ciphers, i))); |
| } |
| } |
| } |
| |
| TEST(SSLTest, CurveRules) { |
| for (const CurveTest &t : kCurveTests) { |
| SCOPED_TRACE(t.rule); |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| ASSERT_TRUE(SSL_CTX_set1_curves_list(ctx.get(), t.rule)); |
| ASSERT_EQ(t.expected.size(), ctx->supported_group_list_len); |
| for (size_t i = 0; i < t.expected.size(); i++) { |
| EXPECT_EQ(t.expected[i], ctx->supported_group_list[i]); |
| } |
| } |
| |
| for (const char *rule : kBadCurvesLists) { |
| SCOPED_TRACE(rule); |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| EXPECT_FALSE(SSL_CTX_set1_curves_list(ctx.get(), rule)); |
| ERR_clear_error(); |
| } |
| } |
| |
| // kOpenSSLSession is a serialized SSL_SESSION. |
| static const char kOpenSSLSession[] = |
| "MIIFqgIBAQICAwMEAsAvBCAG5Q1ndq4Yfmbeo1zwLkNRKmCXGdNgWvGT3cskV0yQ" |
| "kAQwJlrlzkAWBOWiLj/jJ76D7l+UXoizP2KI2C7I2FccqMmIfFmmkUy32nIJ0mZH" |
| "IWoJoQYCBFRDO46iBAICASyjggR6MIIEdjCCA16gAwIBAgIIK9dUvsPWSlUwDQYJ" |
| "KoZIhvcNAQEFBQAwSTELMAkGA1UEBhMCVVMxEzARBgNVBAoTCkdvb2dsZSBJbmMx" |
| "JTAjBgNVBAMTHEdvb2dsZSBJbnRlcm5ldCBBdXRob3JpdHkgRzIwHhcNMTQxMDA4" |
| "MTIwNzU3WhcNMTUwMTA2MDAwMDAwWjBoMQswCQYDVQQGEwJVUzETMBEGA1UECAwK" |
| "Q2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzETMBEGA1UECgwKR29v" |
| "Z2xlIEluYzEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEB" |
| "AQUAA4IBDwAwggEKAoIBAQCcKeLrplAC+Lofy8t/wDwtB6eu72CVp0cJ4V3lknN6" |
| "huH9ct6FFk70oRIh/VBNBBz900jYy+7111Jm1b8iqOTQ9aT5C7SEhNcQFJvqzH3e" |
| "MPkb6ZSWGm1yGF7MCQTGQXF20Sk/O16FSjAynU/b3oJmOctcycWYkY0ytS/k3LBu" |
| "Id45PJaoMqjB0WypqvNeJHC3q5JjCB4RP7Nfx5jjHSrCMhw8lUMW4EaDxjaR9KDh" |
| "PLgjsk+LDIySRSRDaCQGhEOWLJZVLzLo4N6/UlctCHEllpBUSvEOyFga52qroGjg" |
| "rf3WOQ925MFwzd6AK+Ich0gDRg8sQfdLH5OuP1cfLfU1AgMBAAGjggFBMIIBPTAd" |
| "BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwGQYDVR0RBBIwEIIOd3d3Lmdv" |
| "b2dsZS5jb20waAYIKwYBBQUHAQEEXDBaMCsGCCsGAQUFBzAChh9odHRwOi8vcGtp" |
| "Lmdvb2dsZS5jb20vR0lBRzIuY3J0MCsGCCsGAQUFBzABhh9odHRwOi8vY2xpZW50" |
| "czEuZ29vZ2xlLmNvbS9vY3NwMB0GA1UdDgQWBBQ7a+CcxsZByOpc+xpYFcIbnUMZ" |
| "hTAMBgNVHRMBAf8EAjAAMB8GA1UdIwQYMBaAFErdBhYbvPZotXb1gba7Yhq6WoEv" |
| "MBcGA1UdIAQQMA4wDAYKKwYBBAHWeQIFATAwBgNVHR8EKTAnMCWgI6Ahhh9odHRw" |
| "Oi8vcGtpLmdvb2dsZS5jb20vR0lBRzIuY3JsMA0GCSqGSIb3DQEBBQUAA4IBAQCa" |
| "OXCBdoqUy5bxyq+Wrh1zsyyCFim1PH5VU2+yvDSWrgDY8ibRGJmfff3r4Lud5kal" |
| "dKs9k8YlKD3ITG7P0YT/Rk8hLgfEuLcq5cc0xqmE42xJ+Eo2uzq9rYorc5emMCxf" |
| "5L0TJOXZqHQpOEcuptZQ4OjdYMfSxk5UzueUhA3ogZKRcRkdB3WeWRp+nYRhx4St" |
| "o2rt2A0MKmY9165GHUqMK9YaaXHDXqBu7Sefr1uSoAP9gyIJKeihMivsGqJ1TD6Z" |
| "cc6LMe+dN2P8cZEQHtD1y296ul4Mivqk3jatUVL8/hCwgch9A8O4PGZq9WqBfEWm" |
| "IyHh1dPtbg1lOXdYCWtjpAIEAKUDAgEUqQUCAwGJwKqBpwSBpBwUQvoeOk0Kg36S" |
| "YTcLEkXqKwOBfF9vE4KX0NxeLwjcDTpsuh3qXEaZ992r1N38VDcyS6P7I6HBYN9B" |
| "sNHM362zZnY27GpTw+Kwd751CLoXFPoaMOe57dbBpXoro6Pd3BTbf/Tzr88K06yE" |
| "OTDKPNj3+inbMaVigtK4PLyPq+Topyzvx9USFgRvyuoxn0Hgb+R0A3j6SLRuyOdA" |
| "i4gv7Y5oliyntgMBAQA="; |
| |
| // kCustomSession is a custom serialized SSL_SESSION generated by |
| // filling in missing fields from |kOpenSSLSession|. This includes |
| // providing |peer_sha256|, so |peer| is not serialized. |
| static const char kCustomSession[] = |
| "MIIBdgIBAQICAwMEAsAvBCAG5Q1ndq4Yfmbeo1zwLkNRKmCXGdNgWvGT3cskV0yQ" |
| "kAQwJlrlzkAWBOWiLj/jJ76D7l+UXoizP2KI2C7I2FccqMmIfFmmkUy32nIJ0mZH" |
| "IWoJoQYCBFRDO46iBAICASykAwQBAqUDAgEUphAEDnd3dy5nb29nbGUuY29tqAcE" |
| "BXdvcmxkqQUCAwGJwKqBpwSBpBwUQvoeOk0Kg36SYTcLEkXqKwOBfF9vE4KX0Nxe" |
| "LwjcDTpsuh3qXEaZ992r1N38VDcyS6P7I6HBYN9BsNHM362zZnY27GpTw+Kwd751" |
| "CLoXFPoaMOe57dbBpXoro6Pd3BTbf/Tzr88K06yEOTDKPNj3+inbMaVigtK4PLyP" |
| "q+Topyzvx9USFgRvyuoxn0Hgb+R0A3j6SLRuyOdAi4gv7Y5oliynrSIEIAYGBgYG" |
| "BgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGrgMEAQevAwQBBLADBAEF"; |
| |
| // kBoringSSLSession is a serialized SSL_SESSION generated from bssl client. |
| static const char kBoringSSLSession[] = |
| "MIIRwQIBAQICAwMEAsAvBCDdoGxGK26mR+8lM0uq6+k9xYuxPnwAjpcF9n0Yli9R" |
| "kQQwbyshfWhdi5XQ1++7n2L1qqrcVlmHBPpr6yknT/u4pUrpQB5FZ7vqvNn8MdHf" |
| "9rWgoQYCBFXgs7uiBAICHCCjggR6MIIEdjCCA16gAwIBAgIIf+yfD7Y6UicwDQYJ" |
| "KoZIhvcNAQELBQAwSTELMAkGA1UEBhMCVVMxEzARBgNVBAoTCkdvb2dsZSBJbmMx" |
| "JTAjBgNVBAMTHEdvb2dsZSBJbnRlcm5ldCBBdXRob3JpdHkgRzIwHhcNMTUwODEy" |
| "MTQ1MzE1WhcNMTUxMTEwMDAwMDAwWjBoMQswCQYDVQQGEwJVUzETMBEGA1UECAwK" |
| "Q2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzETMBEGA1UECgwKR29v" |
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| "i3YwBX9Ba6u/1d6rWTGZJrdCq3QU11RkKYyTq2KT5mceTv9iGKqSkSTlp8puy/9S" |
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| "0zA0crFl5ci/2sTBBGZsylNBAgMBAAGjggFBMIIBPTAdBgNVHSUEFjAUBggrBgEF" |
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| "RzIuY3J0MCsGCCsGAQUFBzABhh9odHRwOi8vY2xpZW50czEuZ29vZ2xlLmNvbS9v" |
| "Y3NwMB0GA1UdDgQWBBS/bzHxcE73Q4j3slC4BLbMtLjGGjAMBgNVHRMBAf8EAjAA" |
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| "gBRI5mj5K9KylddH2CMgEE8zmJCf1DAdBgNVHQ4EFgQUwHqYaI2J+6sFZAwRfap9" |
| "ZbjKzE4wDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYwOgYDVR0fBDMw" |
| "MTAvoC2gK4YpaHR0cDovL2NybC5nZW90cnVzdC5jb20vY3Jscy9zZWN1cmVjYS5j" |
| "cmwwTgYDVR0gBEcwRTBDBgRVHSAAMDswOQYIKwYBBQUHAgEWLWh0dHBzOi8vd3d3" |
| "Lmdlb3RydXN0LmNvbS9yZXNvdXJjZXMvcmVwb3NpdG9yeTANBgkqhkiG9w0BAQUF" |
| "AAOBgQB24RJuTksWEoYwBrKBCM/wCMfHcX5m7sLt1Dsf//DwyE7WQziwuTB9GNBV" |
| "g6JqyzYRnOhIZqNtf7gT1Ef+i1pcc/yu2RsyGTirlzQUqpbS66McFAhJtrvlke+D" |
| "NusdVm/K2rxzY5Dkf3s+Iss9B+1fOHSc4wNQTqGvmO5h8oQ/Eg=="; |
| |
| // kBadSessionExtraField is a custom serialized SSL_SESSION generated by replacing |
| // the final (optional) element of |kCustomSession| with tag number 30. |
| static const char kBadSessionExtraField[] = |
| "MIIBdgIBAQICAwMEAsAvBCAG5Q1ndq4Yfmbeo1zwLkNRKmCXGdNgWvGT3cskV0yQ" |
| "kAQwJlrlzkAWBOWiLj/jJ76D7l+UXoizP2KI2C7I2FccqMmIfFmmkUy32nIJ0mZH" |
| "IWoJoQYCBFRDO46iBAICASykAwQBAqUDAgEUphAEDnd3dy5nb29nbGUuY29tqAcE" |
| "BXdvcmxkqQUCAwGJwKqBpwSBpBwUQvoeOk0Kg36SYTcLEkXqKwOBfF9vE4KX0Nxe" |
| "LwjcDTpsuh3qXEaZ992r1N38VDcyS6P7I6HBYN9BsNHM362zZnY27GpTw+Kwd751" |
| "CLoXFPoaMOe57dbBpXoro6Pd3BTbf/Tzr88K06yEOTDKPNj3+inbMaVigtK4PLyP" |
| "q+Topyzvx9USFgRvyuoxn0Hgb+R0A3j6SLRuyOdAi4gv7Y5oliynrSIEIAYGBgYG" |
| "BgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGrgMEAQevAwQBBL4DBAEF"; |
| |
| // kBadSessionVersion is a custom serialized SSL_SESSION generated by replacing |
| // the version of |kCustomSession| with 2. |
| static const char kBadSessionVersion[] = |
| "MIIBdgIBAgICAwMEAsAvBCAG5Q1ndq4Yfmbeo1zwLkNRKmCXGdNgWvGT3cskV0yQ" |
| "kAQwJlrlzkAWBOWiLj/jJ76D7l+UXoizP2KI2C7I2FccqMmIfFmmkUy32nIJ0mZH" |
| "IWoJoQYCBFRDO46iBAICASykAwQBAqUDAgEUphAEDnd3dy5nb29nbGUuY29tqAcE" |
| "BXdvcmxkqQUCAwGJwKqBpwSBpBwUQvoeOk0Kg36SYTcLEkXqKwOBfF9vE4KX0Nxe" |
| "LwjcDTpsuh3qXEaZ992r1N38VDcyS6P7I6HBYN9BsNHM362zZnY27GpTw+Kwd751" |
| "CLoXFPoaMOe57dbBpXoro6Pd3BTbf/Tzr88K06yEOTDKPNj3+inbMaVigtK4PLyP" |
| "q+Topyzvx9USFgRvyuoxn0Hgb+R0A3j6SLRuyOdAi4gv7Y5oliynrSIEIAYGBgYG" |
| "BgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGrgMEAQevAwQBBLADBAEF"; |
| |
| // kBadSessionTrailingData is a custom serialized SSL_SESSION with trailing data |
| // appended. |
| static const char kBadSessionTrailingData[] = |
| "MIIBdgIBAQICAwMEAsAvBCAG5Q1ndq4Yfmbeo1zwLkNRKmCXGdNgWvGT3cskV0yQ" |
| "kAQwJlrlzkAWBOWiLj/jJ76D7l+UXoizP2KI2C7I2FccqMmIfFmmkUy32nIJ0mZH" |
| "IWoJoQYCBFRDO46iBAICASykAwQBAqUDAgEUphAEDnd3dy5nb29nbGUuY29tqAcE" |
| "BXdvcmxkqQUCAwGJwKqBpwSBpBwUQvoeOk0Kg36SYTcLEkXqKwOBfF9vE4KX0Nxe" |
| "LwjcDTpsuh3qXEaZ992r1N38VDcyS6P7I6HBYN9BsNHM362zZnY27GpTw+Kwd751" |
| "CLoXFPoaMOe57dbBpXoro6Pd3BTbf/Tzr88K06yEOTDKPNj3+inbMaVigtK4PLyP" |
| "q+Topyzvx9USFgRvyuoxn0Hgb+R0A3j6SLRuyOdAi4gv7Y5oliynrSIEIAYGBgYG" |
| "BgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGrgMEAQevAwQBBLADBAEFAAAA"; |
| |
| static bool DecodeBase64(std::vector<uint8_t> *out, const char *in) { |
| size_t len; |
| if (!EVP_DecodedLength(&len, strlen(in))) { |
| fprintf(stderr, "EVP_DecodedLength failed\n"); |
| return false; |
| } |
| |
| out->resize(len); |
| if (!EVP_DecodeBase64(out->data(), &len, len, (const uint8_t *)in, |
| strlen(in))) { |
| fprintf(stderr, "EVP_DecodeBase64 failed\n"); |
| return false; |
| } |
| out->resize(len); |
| return true; |
| } |
| |
| static bool TestSSL_SESSIONEncoding(const char *input_b64) { |
| const uint8_t *cptr; |
| uint8_t *ptr; |
| |
| // Decode the input. |
| std::vector<uint8_t> input; |
| if (!DecodeBase64(&input, input_b64)) { |
| return false; |
| } |
| |
| // Verify the SSL_SESSION decodes. |
| bssl::UniquePtr<SSL_CTX> ssl_ctx(SSL_CTX_new(TLS_method())); |
| if (!ssl_ctx) { |
| return false; |
| } |
| bssl::UniquePtr<SSL_SESSION> session( |
| SSL_SESSION_from_bytes(input.data(), input.size(), ssl_ctx.get())); |
| if (!session) { |
| fprintf(stderr, "SSL_SESSION_from_bytes failed\n"); |
| return false; |
| } |
| |
| // Verify the SSL_SESSION encoding round-trips. |
| size_t encoded_len; |
| bssl::UniquePtr<uint8_t> encoded; |
| uint8_t *encoded_raw; |
| if (!SSL_SESSION_to_bytes(session.get(), &encoded_raw, &encoded_len)) { |
| fprintf(stderr, "SSL_SESSION_to_bytes failed\n"); |
| return false; |
| } |
| encoded.reset(encoded_raw); |
| if (encoded_len != input.size() || |
| OPENSSL_memcmp(input.data(), encoded.get(), input.size()) != 0) { |
| fprintf(stderr, "SSL_SESSION_to_bytes did not round-trip\n"); |
| hexdump(stderr, "Before: ", input.data(), input.size()); |
| hexdump(stderr, "After: ", encoded_raw, encoded_len); |
| return false; |
| } |
| |
| // Verify the SSL_SESSION also decodes with the legacy API. |
| cptr = input.data(); |
| session.reset(d2i_SSL_SESSION(NULL, &cptr, input.size())); |
| if (!session || cptr != input.data() + input.size()) { |
| fprintf(stderr, "d2i_SSL_SESSION failed\n"); |
| return false; |
| } |
| |
| // Verify the SSL_SESSION encoding round-trips via the legacy API. |
| int len = i2d_SSL_SESSION(session.get(), NULL); |
| if (len < 0 || (size_t)len != input.size()) { |
| fprintf(stderr, "i2d_SSL_SESSION(NULL) returned invalid length\n"); |
| return false; |
| } |
| |
| encoded.reset((uint8_t *)OPENSSL_malloc(input.size())); |
| if (!encoded) { |
| fprintf(stderr, "malloc failed\n"); |
| return false; |
| } |
| |
| ptr = encoded.get(); |
| len = i2d_SSL_SESSION(session.get(), &ptr); |
| if (len < 0 || (size_t)len != input.size()) { |
| fprintf(stderr, "i2d_SSL_SESSION returned invalid length\n"); |
| return false; |
| } |
| if (ptr != encoded.get() + input.size()) { |
| fprintf(stderr, "i2d_SSL_SESSION did not advance ptr correctly\n"); |
| return false; |
| } |
| if (OPENSSL_memcmp(input.data(), encoded.get(), input.size()) != 0) { |
| fprintf(stderr, "i2d_SSL_SESSION did not round-trip\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool TestBadSSL_SESSIONEncoding(const char *input_b64) { |
| std::vector<uint8_t> input; |
| if (!DecodeBase64(&input, input_b64)) { |
| return false; |
| } |
| |
| // Verify that the SSL_SESSION fails to decode. |
| bssl::UniquePtr<SSL_CTX> ssl_ctx(SSL_CTX_new(TLS_method())); |
| if (!ssl_ctx) { |
| return false; |
| } |
| bssl::UniquePtr<SSL_SESSION> session( |
| SSL_SESSION_from_bytes(input.data(), input.size(), ssl_ctx.get())); |
| if (session) { |
| fprintf(stderr, "SSL_SESSION_from_bytes unexpectedly succeeded\n"); |
| return false; |
| } |
| ERR_clear_error(); |
| return true; |
| } |
| |
| static void ExpectDefaultVersion(uint16_t min_version, uint16_t max_version, |
| const SSL_METHOD *(*method)(void)) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(method())); |
| ASSERT_TRUE(ctx); |
| EXPECT_EQ(min_version, ctx->min_version); |
| EXPECT_EQ(max_version, ctx->max_version); |
| } |
| |
| TEST(SSLTest, DefaultVersion) { |
| // TODO(svaldez): Update this when TLS 1.3 is enabled by default. |
| ExpectDefaultVersion(TLS1_VERSION, TLS1_2_VERSION, &TLS_method); |
| ExpectDefaultVersion(TLS1_VERSION, TLS1_VERSION, &TLSv1_method); |
| ExpectDefaultVersion(TLS1_1_VERSION, TLS1_1_VERSION, &TLSv1_1_method); |
| ExpectDefaultVersion(TLS1_2_VERSION, TLS1_2_VERSION, &TLSv1_2_method); |
| ExpectDefaultVersion(TLS1_1_VERSION, TLS1_2_VERSION, &DTLS_method); |
| ExpectDefaultVersion(TLS1_1_VERSION, TLS1_1_VERSION, &DTLSv1_method); |
| ExpectDefaultVersion(TLS1_2_VERSION, TLS1_2_VERSION, &DTLSv1_2_method); |
| } |
| |
| typedef struct { |
| int id; |
| const char *rfc_name; |
| } CIPHER_RFC_NAME_TEST; |
| |
| static const CIPHER_RFC_NAME_TEST kCipherRFCNameTests[] = { |
| {SSL3_CK_RSA_DES_192_CBC3_SHA, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"}, |
| {TLS1_CK_RSA_WITH_AES_128_SHA, "TLS_RSA_WITH_AES_128_CBC_SHA"}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256, |
| "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384, |
| "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, |
| "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, |
| "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, |
| "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"}, |
| {TLS1_CK_ECDHE_PSK_WITH_AES_128_CBC_SHA, |
| "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, |
| "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"}, |
| {TLS1_CK_AES_256_GCM_SHA384, "TLS_AES_256_GCM_SHA384"}, |
| {TLS1_CK_AES_128_GCM_SHA256, "TLS_AES_128_GCM_SHA256"}, |
| {TLS1_CK_CHACHA20_POLY1305_SHA256, "TLS_CHACHA20_POLY1305_SHA256"}, |
| }; |
| |
| TEST(SSLTest, CipherGetRFCName) { |
| for (const CIPHER_RFC_NAME_TEST &t : kCipherRFCNameTests) { |
| SCOPED_TRACE(t.rfc_name); |
| |
| const SSL_CIPHER *cipher = SSL_get_cipher_by_value(t.id & 0xffff); |
| ASSERT_TRUE(cipher); |
| bssl::UniquePtr<char> rfc_name(SSL_CIPHER_get_rfc_name(cipher)); |
| ASSERT_TRUE(rfc_name); |
| |
| EXPECT_STREQ(t.rfc_name, rfc_name.get()); |
| } |
| } |
| |
| // CreateSessionWithTicket returns a sample |SSL_SESSION| with the specified |
| // version and ticket length or nullptr on failure. |
| static bssl::UniquePtr<SSL_SESSION> CreateSessionWithTicket(uint16_t version, |
| size_t ticket_len) { |
| std::vector<uint8_t> der; |
| if (!DecodeBase64(&der, kOpenSSLSession)) { |
| return nullptr; |
| } |
| |
| bssl::UniquePtr<SSL_CTX> ssl_ctx(SSL_CTX_new(TLS_method())); |
| if (!ssl_ctx) { |
| return nullptr; |
| } |
| bssl::UniquePtr<SSL_SESSION> session( |
| SSL_SESSION_from_bytes(der.data(), der.size(), ssl_ctx.get())); |
| if (!session) { |
| return nullptr; |
| } |
| |
| session->ssl_version = version; |
| |
| // Swap out the ticket for a garbage one. |
| OPENSSL_free(session->tlsext_tick); |
| session->tlsext_tick = reinterpret_cast<uint8_t*>(OPENSSL_malloc(ticket_len)); |
| if (session->tlsext_tick == nullptr) { |
| return nullptr; |
| } |
| OPENSSL_memset(session->tlsext_tick, 'a', ticket_len); |
| session->tlsext_ticklen = ticket_len; |
| |
| // Fix up the timeout. |
| #if defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE) |
| session->time = 1234; |
| #else |
| session->time = time(NULL); |
| #endif |
| return session; |
| } |
| |
| static bool GetClientHello(SSL *ssl, std::vector<uint8_t> *out) { |
| bssl::UniquePtr<BIO> bio(BIO_new(BIO_s_mem())); |
| if (!bio) { |
| return false; |
| } |
| // Do not configure a reading BIO, but record what's written to a memory BIO. |
| BIO_up_ref(bio.get()); |
| SSL_set_bio(ssl, nullptr /* rbio */, bio.get()); |
| int ret = SSL_connect(ssl); |
| if (ret > 0) { |
| // SSL_connect should fail without a BIO to write to. |
| return false; |
| } |
| ERR_clear_error(); |
| |
| const uint8_t *client_hello; |
| size_t client_hello_len; |
| if (!BIO_mem_contents(bio.get(), &client_hello, &client_hello_len)) { |
| return false; |
| } |
| *out = std::vector<uint8_t>(client_hello, client_hello + client_hello_len); |
| return true; |
| } |
| |
| // GetClientHelloLen creates a client SSL connection with the specified version |
| // and ticket length. It returns the length of the ClientHello, not including |
| // the record header, on success and zero on error. |
| static size_t GetClientHelloLen(uint16_t max_version, uint16_t session_version, |
| size_t ticket_len) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_SESSION> session = |
| CreateSessionWithTicket(session_version, ticket_len); |
| if (!ctx || !session) { |
| return 0; |
| } |
| |
| // Set a one-element cipher list so the baseline ClientHello is unpadded. |
| bssl::UniquePtr<SSL> ssl(SSL_new(ctx.get())); |
| if (!ssl || !SSL_set_session(ssl.get(), session.get()) || |
| !SSL_set_strict_cipher_list(ssl.get(), "ECDHE-RSA-AES128-GCM-SHA256") || |
| !SSL_set_max_proto_version(ssl.get(), max_version)) { |
| return 0; |
| } |
| |
| std::vector<uint8_t> client_hello; |
| if (!GetClientHello(ssl.get(), &client_hello) || |
| client_hello.size() <= SSL3_RT_HEADER_LENGTH) { |
| return 0; |
| } |
| |
| return client_hello.size() - SSL3_RT_HEADER_LENGTH; |
| } |
| |
| struct PaddingTest { |
| size_t input_len, padded_len; |
| }; |
| |
| static const PaddingTest kPaddingTests[] = { |
| // ClientHellos of length below 0x100 do not require padding. |
| {0xfe, 0xfe}, |
| {0xff, 0xff}, |
| // ClientHellos of length 0x100 through 0x1fb are padded up to 0x200. |
| {0x100, 0x200}, |
| {0x123, 0x200}, |
| {0x1fb, 0x200}, |
| // ClientHellos of length 0x1fc through 0x1ff get padded beyond 0x200. The |
| // padding extension takes a minimum of four bytes plus one required content |
| // byte. (To work around yet more server bugs, we avoid empty final |
| // extensions.) |
| {0x1fc, 0x201}, |
| {0x1fd, 0x202}, |
| {0x1fe, 0x203}, |
| {0x1ff, 0x204}, |
| // Finally, larger ClientHellos need no padding. |
| {0x200, 0x200}, |
| {0x201, 0x201}, |
| }; |
| |
| static bool TestPaddingExtension(uint16_t max_version, |
| uint16_t session_version) { |
| // Sample a baseline length. |
| size_t base_len = GetClientHelloLen(max_version, session_version, 1); |
| if (base_len == 0) { |
| return false; |
| } |
| |
| for (const PaddingTest &test : kPaddingTests) { |
| if (base_len > test.input_len) { |
| fprintf(stderr, |
| "Baseline ClientHello too long (max_version = %04x, " |
| "session_version = %04x).\n", |
| max_version, session_version); |
| return false; |
| } |
| |
| size_t padded_len = GetClientHelloLen(max_version, session_version, |
| 1 + test.input_len - base_len); |
| if (padded_len != test.padded_len) { |
| fprintf(stderr, |
| "%u-byte ClientHello padded to %u bytes, not %u (max_version = " |
| "%04x, session_version = %04x).\n", |
| static_cast<unsigned>(test.input_len), |
| static_cast<unsigned>(padded_len), |
| static_cast<unsigned>(test.padded_len), max_version, |
| session_version); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| // Test that |SSL_get_client_CA_list| echoes back the configured parameter even |
| // before configuring as a server. |
| TEST(SSLTest, ClientCAList) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| bssl::UniquePtr<SSL> ssl(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| |
| bssl::UniquePtr<X509_NAME> name(X509_NAME_new()); |
| ASSERT_TRUE(name); |
| |
| bssl::UniquePtr<X509_NAME> name_dup(X509_NAME_dup(name.get())); |
| ASSERT_TRUE(name_dup); |
| |
| bssl::UniquePtr<STACK_OF(X509_NAME)> stack(sk_X509_NAME_new_null()); |
| ASSERT_TRUE(stack); |
| |
| ASSERT_TRUE(sk_X509_NAME_push(stack.get(), name_dup.get())); |
| name_dup.release(); |
| |
| // |SSL_set_client_CA_list| takes ownership. |
| SSL_set_client_CA_list(ssl.get(), stack.release()); |
| |
| STACK_OF(X509_NAME) *result = SSL_get_client_CA_list(ssl.get()); |
| ASSERT_TRUE(result); |
| ASSERT_EQ(1u, sk_X509_NAME_num(result)); |
| EXPECT_EQ(0, X509_NAME_cmp(sk_X509_NAME_value(result, 0), name.get())); |
| } |
| |
| static void AppendSession(SSL_SESSION *session, void *arg) { |
| std::vector<SSL_SESSION*> *out = |
| reinterpret_cast<std::vector<SSL_SESSION*>*>(arg); |
| out->push_back(session); |
| } |
| |
| // CacheEquals returns true if |ctx|'s session cache consists of |expected|, in |
| // order. |
| static bool CacheEquals(SSL_CTX *ctx, |
| const std::vector<SSL_SESSION*> &expected) { |
| // Check the linked list. |
| SSL_SESSION *ptr = ctx->session_cache_head; |
| for (SSL_SESSION *session : expected) { |
| if (ptr != session) { |
| return false; |
| } |
| // TODO(davidben): This is an absurd way to denote the end of the list. |
| if (ptr->next == |
| reinterpret_cast<SSL_SESSION *>(&ctx->session_cache_tail)) { |
| ptr = nullptr; |
| } else { |
| ptr = ptr->next; |
| } |
| } |
| if (ptr != nullptr) { |
| return false; |
| } |
| |
| // Check the hash table. |
| std::vector<SSL_SESSION*> actual, expected_copy; |
| lh_SSL_SESSION_doall_arg(SSL_CTX_sessions(ctx), AppendSession, &actual); |
| expected_copy = expected; |
| |
| std::sort(actual.begin(), actual.end()); |
| std::sort(expected_copy.begin(), expected_copy.end()); |
| |
| return actual == expected_copy; |
| } |
| |
| static bssl::UniquePtr<SSL_SESSION> CreateTestSession(uint32_t number) { |
| bssl::UniquePtr<SSL_CTX> ssl_ctx(SSL_CTX_new(TLS_method())); |
| if (!ssl_ctx) { |
| return nullptr; |
| } |
| bssl::UniquePtr<SSL_SESSION> ret(SSL_SESSION_new(ssl_ctx.get())); |
| if (!ret) { |
| return nullptr; |
| } |
| |
| ret->session_id_length = SSL3_SSL_SESSION_ID_LENGTH; |
| OPENSSL_memset(ret->session_id, 0, ret->session_id_length); |
| OPENSSL_memcpy(ret->session_id, &number, sizeof(number)); |
| return ret; |
| } |
| |
| // Test that the internal session cache behaves as expected. |
| TEST(SSLTest, InternalSessionCache) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| // Prepare 10 test sessions. |
| std::vector<bssl::UniquePtr<SSL_SESSION>> sessions; |
| for (int i = 0; i < 10; i++) { |
| bssl::UniquePtr<SSL_SESSION> session = CreateTestSession(i); |
| ASSERT_TRUE(session); |
| sessions.push_back(std::move(session)); |
| } |
| |
| SSL_CTX_sess_set_cache_size(ctx.get(), 5); |
| |
| // Insert all the test sessions. |
| for (const auto &session : sessions) { |
| ASSERT_TRUE(SSL_CTX_add_session(ctx.get(), session.get())); |
| } |
| |
| // Only the last five should be in the list. |
| ASSERT_TRUE(CacheEquals( |
| ctx.get(), {sessions[9].get(), sessions[8].get(), sessions[7].get(), |
| sessions[6].get(), sessions[5].get()})); |
| |
| // Inserting an element already in the cache should fail and leave the cache |
| // unchanged. |
| ASSERT_FALSE(SSL_CTX_add_session(ctx.get(), sessions[7].get())); |
| ASSERT_TRUE(CacheEquals( |
| ctx.get(), {sessions[9].get(), sessions[8].get(), sessions[7].get(), |
| sessions[6].get(), sessions[5].get()})); |
| |
| // Although collisions should be impossible (256-bit session IDs), the cache |
| // must handle them gracefully. |
| bssl::UniquePtr<SSL_SESSION> collision(CreateTestSession(7)); |
| ASSERT_TRUE(collision); |
| ASSERT_TRUE(SSL_CTX_add_session(ctx.get(), collision.get())); |
| ASSERT_TRUE(CacheEquals( |
| ctx.get(), {collision.get(), sessions[9].get(), sessions[8].get(), |
| sessions[6].get(), sessions[5].get()})); |
| |
| // Removing sessions behaves correctly. |
| ASSERT_TRUE(SSL_CTX_remove_session(ctx.get(), sessions[6].get())); |
| ASSERT_TRUE(CacheEquals(ctx.get(), {collision.get(), sessions[9].get(), |
| sessions[8].get(), sessions[5].get()})); |
| |
| // Removing sessions requires an exact match. |
| ASSERT_FALSE(SSL_CTX_remove_session(ctx.get(), sessions[0].get())); |
| ASSERT_FALSE(SSL_CTX_remove_session(ctx.get(), sessions[7].get())); |
| |
| // The cache remains unchanged. |
| ASSERT_TRUE(CacheEquals(ctx.get(), {collision.get(), sessions[9].get(), |
| sessions[8].get(), sessions[5].get()})); |
| } |
| |
| static uint16_t EpochFromSequence(uint64_t seq) { |
| return static_cast<uint16_t>(seq >> 48); |
| } |
| |
| static bssl::UniquePtr<X509> GetTestCertificate() { |
| static const char kCertPEM[] = |
| "-----BEGIN CERTIFICATE-----\n" |
| "MIICWDCCAcGgAwIBAgIJAPuwTC6rEJsMMA0GCSqGSIb3DQEBBQUAMEUxCzAJBgNV\n" |
| "BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX\n" |
| "aWRnaXRzIFB0eSBMdGQwHhcNMTQwNDIzMjA1MDQwWhcNMTcwNDIyMjA1MDQwWjBF\n" |
| "MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50\n" |
| "ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKB\n" |
| "gQDYK8imMuRi/03z0K1Zi0WnvfFHvwlYeyK9Na6XJYaUoIDAtB92kWdGMdAQhLci\n" |
| "HnAjkXLI6W15OoV3gA/ElRZ1xUpxTMhjP6PyY5wqT5r6y8FxbiiFKKAnHmUcrgfV\n" |
| "W28tQ+0rkLGMryRtrukXOgXBv7gcrmU7G1jC2a7WqmeI8QIDAQABo1AwTjAdBgNV\n" |
| "HQ4EFgQUi3XVrMsIvg4fZbf6Vr5sp3Xaha8wHwYDVR0jBBgwFoAUi3XVrMsIvg4f\n" |
| "Zbf6Vr5sp3Xaha8wDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQUFAAOBgQA76Hht\n" |
| "ldY9avcTGSwbwoiuIqv0jTL1fHFnzy3RHMLDh+Lpvolc5DSrSJHCP5WuK0eeJXhr\n" |
| "T5oQpHL9z/cCDLAKCKRa4uV0fhEdOWBqyR9p8y5jJtye72t6CuFUV5iqcpF4BH4f\n" |
| "j2VNHwsSrJwkD4QUGlUtH7vwnQmyCFxZMmWAJg==\n" |
| "-----END CERTIFICATE-----\n"; |
| bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(kCertPEM, strlen(kCertPEM))); |
| return bssl::UniquePtr<X509>( |
| PEM_read_bio_X509(bio.get(), nullptr, nullptr, nullptr)); |
| } |
| |
| static bssl::UniquePtr<EVP_PKEY> GetTestKey() { |
| static const char kKeyPEM[] = |
| "-----BEGIN RSA PRIVATE KEY-----\n" |
| "MIICXgIBAAKBgQDYK8imMuRi/03z0K1Zi0WnvfFHvwlYeyK9Na6XJYaUoIDAtB92\n" |
| "kWdGMdAQhLciHnAjkXLI6W15OoV3gA/ElRZ1xUpxTMhjP6PyY5wqT5r6y8FxbiiF\n" |
| "KKAnHmUcrgfVW28tQ+0rkLGMryRtrukXOgXBv7gcrmU7G1jC2a7WqmeI8QIDAQAB\n" |
| "AoGBAIBy09Fd4DOq/Ijp8HeKuCMKTHqTW1xGHshLQ6jwVV2vWZIn9aIgmDsvkjCe\n" |
| "i6ssZvnbjVcwzSoByhjN8ZCf/i15HECWDFFh6gt0P5z0MnChwzZmvatV/FXCT0j+\n" |
| "WmGNB/gkehKjGXLLcjTb6dRYVJSCZhVuOLLcbWIV10gggJQBAkEA8S8sGe4ezyyZ\n" |
| "m4e9r95g6s43kPqtj5rewTsUxt+2n4eVodD+ZUlCULWVNAFLkYRTBCASlSrm9Xhj\n" |
| "QpmWAHJUkQJBAOVzQdFUaewLtdOJoPCtpYoY1zd22eae8TQEmpGOR11L6kbxLQsk\n" |
| "aMly/DOnOaa82tqAGTdqDEZgSNmCeKKknmECQAvpnY8GUOVAubGR6c+W90iBuQLj\n" |
| "LtFp/9ihd2w/PoDwrHZaoUYVcT4VSfJQog/k7kjE4MYXYWL8eEKg3WTWQNECQQDk\n" |
| "104Wi91Umd1PzF0ijd2jXOERJU1wEKe6XLkYYNHWQAe5l4J4MWj9OdxFXAxIuuR/\n" |
| "tfDwbqkta4xcux67//khAkEAvvRXLHTaa6VFzTaiiO8SaFsHV3lQyXOtMrBpB5jd\n" |
| "moZWgjHvB2W9Ckn7sDqsPB+U2tyX0joDdQEyuiMECDY8oQ==\n" |
| "-----END RSA PRIVATE KEY-----\n"; |
| bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(kKeyPEM, strlen(kKeyPEM))); |
| return bssl::UniquePtr<EVP_PKEY>( |
| PEM_read_bio_PrivateKey(bio.get(), nullptr, nullptr, nullptr)); |
| } |
| |
| static bssl::UniquePtr<X509> GetECDSATestCertificate() { |
| static const char kCertPEM[] = |
| "-----BEGIN CERTIFICATE-----\n" |
| "MIIBzzCCAXagAwIBAgIJANlMBNpJfb/rMAkGByqGSM49BAEwRTELMAkGA1UEBhMC\n" |
| "QVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdp\n" |
| "dHMgUHR5IEx0ZDAeFw0xNDA0MjMyMzIxNTdaFw0xNDA1MjMyMzIxNTdaMEUxCzAJ\n" |
| "BgNVBAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5l\n" |
| "dCBXaWRnaXRzIFB0eSBMdGQwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAATmK2ni\n" |
| "v2Wfl74vHg2UikzVl2u3qR4NRvvdqakendy6WgHn1peoChj5w8SjHlbifINI2xYa\n" |
| "HPUdfvGULUvPciLBo1AwTjAdBgNVHQ4EFgQUq4TSrKuV8IJOFngHVVdf5CaNgtEw\n" |
| "HwYDVR0jBBgwFoAUq4TSrKuV8IJOFngHVVdf5CaNgtEwDAYDVR0TBAUwAwEB/zAJ\n" |
| "BgcqhkjOPQQBA0gAMEUCIQDyoDVeUTo2w4J5m+4nUIWOcAZ0lVfSKXQA9L4Vh13E\n" |
| "BwIgfB55FGohg/B6dGh5XxSZmmi08cueFV7mHzJSYV51yRQ=\n" |
| "-----END CERTIFICATE-----\n"; |
| bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(kCertPEM, strlen(kCertPEM))); |
| return bssl::UniquePtr<X509>(PEM_read_bio_X509(bio.get(), nullptr, nullptr, nullptr)); |
| } |
| |
| static bssl::UniquePtr<EVP_PKEY> GetECDSATestKey() { |
| static const char kKeyPEM[] = |
| "-----BEGIN PRIVATE KEY-----\n" |
| "MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgBw8IcnrUoEqc3VnJ\n" |
| "TYlodwi1b8ldMHcO6NHJzgqLtGqhRANCAATmK2niv2Wfl74vHg2UikzVl2u3qR4N\n" |
| "Rvvdqakendy6WgHn1peoChj5w8SjHlbifINI2xYaHPUdfvGULUvPciLB\n" |
| "-----END PRIVATE KEY-----\n"; |
| bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(kKeyPEM, strlen(kKeyPEM))); |
| return bssl::UniquePtr<EVP_PKEY>( |
| PEM_read_bio_PrivateKey(bio.get(), nullptr, nullptr, nullptr)); |
| } |
| |
| static bssl::UniquePtr<CRYPTO_BUFFER> BufferFromPEM(const char *pem) { |
| bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(pem, strlen(pem))); |
| char *name, *header; |
| uint8_t *data; |
| long data_len; |
| if (!PEM_read_bio(bio.get(), &name, &header, &data, |
| &data_len)) { |
| return nullptr; |
| } |
| OPENSSL_free(name); |
| OPENSSL_free(header); |
| |
| auto ret = bssl::UniquePtr<CRYPTO_BUFFER>( |
| CRYPTO_BUFFER_new(data, data_len, nullptr)); |
| OPENSSL_free(data); |
| return ret; |
| } |
| |
| static bssl::UniquePtr<CRYPTO_BUFFER> GetChainTestCertificateBuffer() { |
| static const char kCertPEM[] = |
| "-----BEGIN CERTIFICATE-----\n" |
| "MIIC0jCCAbqgAwIBAgICEAAwDQYJKoZIhvcNAQELBQAwDzENMAsGA1UEAwwEQiBD\n" |
| "QTAeFw0xNjAyMjgyMDI3MDNaFw0yNjAyMjUyMDI3MDNaMBgxFjAUBgNVBAMMDUNs\n" |
| "aWVudCBDZXJ0IEEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDRvaz8\n" |
| "CC/cshpCafJo4jLkHEoBqDLhdgFelJoAiQUyIqyWl2O7YHPnpJH+TgR7oelzNzt/\n" |
| "kLRcH89M/TszB6zqyLTC4aqmvzKL0peD/jL2LWBucR0WXIvjA3zoRuF/x86+rYH3\n" |
| "tHb+xs2PSs8EGL/Ev+ss+qTzTGEn26fuGNHkNw6tOwPpc+o8+wUtzf/kAthamo+c\n" |
| "IDs2rQ+lP7+aLZTLeU/q4gcLutlzcK5imex5xy2jPkweq48kijK0kIzl1cPlA5d1\n" |
| "z7C8jU50Pj9X9sQDJTN32j7UYRisJeeYQF8GaaN8SbrDI6zHgKzrRLyxDt/KQa9V\n" |
| "iLeXANgZi+Xx9KgfAgMBAAGjLzAtMAwGA1UdEwEB/wQCMAAwHQYDVR0lBBYwFAYI\n" |
| "KwYBBQUHAwEGCCsGAQUFBwMCMA0GCSqGSIb3DQEBCwUAA4IBAQBFEVbmYl+2RtNw\n" |
| "rDftRDF1v2QUbcN2ouSnQDHxeDQdSgasLzT3ui8iYu0Rw2WWcZ0DV5e0ztGPhWq7\n" |
| "AO0B120aFRMOY+4+bzu9Q2FFkQqc7/fKTvTDzIJI5wrMnFvUfzzvxh3OHWMYSs/w\n" |
| "giq33hTKeHEq6Jyk3btCny0Ycecyc3yGXH10sizUfiHlhviCkDuESk8mFDwDDzqW\n" |
| "ZF0IipzFbEDHoIxLlm3GQxpiLoEV4k8KYJp3R5KBLFyxM6UGPz8h72mIPCJp2RuK\n" |
| "MYgF91UDvVzvnYm6TfseM2+ewKirC00GOrZ7rEcFvtxnKSqYf4ckqfNdSU1Y+RRC\n" |
| "1ngWZ7Ih\n" |
| "-----END CERTIFICATE-----\n"; |
| return BufferFromPEM(kCertPEM); |
| } |
| |
| static bssl::UniquePtr<X509> X509FromBuffer( |
| bssl::UniquePtr<CRYPTO_BUFFER> buffer) { |
| if (!buffer) { |
| return nullptr; |
| } |
| const uint8_t *derp = CRYPTO_BUFFER_data(buffer.get()); |
| return bssl::UniquePtr<X509>( |
| d2i_X509(NULL, &derp, CRYPTO_BUFFER_len(buffer.get()))); |
| } |
| |
| static bssl::UniquePtr<X509> GetChainTestCertificate() { |
| return X509FromBuffer(GetChainTestCertificateBuffer()); |
| } |
| |
| static bssl::UniquePtr<CRYPTO_BUFFER> GetChainTestIntermediateBuffer() { |
| static const char kCertPEM[] = |
| "-----BEGIN CERTIFICATE-----\n" |
| "MIICwjCCAaqgAwIBAgICEAEwDQYJKoZIhvcNAQELBQAwFDESMBAGA1UEAwwJQyBS\n" |
| "b290IENBMB4XDTE2MDIyODIwMjcwM1oXDTI2MDIyNTIwMjcwM1owDzENMAsGA1UE\n" |
| "AwwEQiBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALsSCYmDip2D\n" |
| "GkjFxw7ykz26JSjELkl6ArlYjFJ3aT/SCh8qbS4gln7RH8CPBd78oFdfhIKQrwtZ\n" |
| "3/q21ykD9BAS3qHe2YdcJfm8/kWAy5DvXk6NXU4qX334KofBAEpgdA/igEFq1P1l\n" |
| "HAuIfZCpMRfT+i5WohVsGi8f/NgpRvVaMONLNfgw57mz1lbtFeBEISmX0kbsuJxF\n" |
| "Qj/Bwhi5/0HAEXG8e7zN4cEx0yPRvmOATRdVb/8dW2pwOHRJq9R5M0NUkIsTSnL7\n" |
| "6N/z8hRAHMsV3IudC5Yd7GXW1AGu9a+iKU+Q4xcZCoj0DC99tL4VKujrV1kAeqsM\n" |
| "cz5/dKzi6+cCAwEAAaMjMCEwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC\n" |
| "AQYwDQYJKoZIhvcNAQELBQADggEBAIIeZiEeNhWWQ8Y4D+AGDwqUUeG8NjCbKrXQ\n" |
| "BlHg5wZ8xftFaiP1Dp/UAezmx2LNazdmuwrYB8lm3FVTyaPDTKEGIPS4wJKHgqH1\n" |
| "QPDhqNm85ey7TEtI9oYjsNim/Rb+iGkIAMXaxt58SzxbjvP0kMr1JfJIZbic9vye\n" |
| "NwIspMFIpP3FB8ywyu0T0hWtCQgL4J47nigCHpOu58deP88fS/Nyz/fyGVWOZ76b\n" |
| "WhWwgM3P3X95fQ3d7oFPR/bVh0YV+Cf861INwplokXgXQ3/TCQ+HNXeAMWn3JLWv\n" |
| "XFwk8owk9dq/kQGdndGgy3KTEW4ctPX5GNhf3LJ9Q7dLji4ReQ4=\n" |
| "-----END CERTIFICATE-----\n"; |
| return BufferFromPEM(kCertPEM); |
| } |
| |
| static bssl::UniquePtr<X509> GetChainTestIntermediate() { |
| return X509FromBuffer(GetChainTestIntermediateBuffer()); |
| } |
| |
| static bssl::UniquePtr<EVP_PKEY> GetChainTestKey() { |
| static const char kKeyPEM[] = |
| "-----BEGIN PRIVATE KEY-----\n" |
| "MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDRvaz8CC/cshpC\n" |
| "afJo4jLkHEoBqDLhdgFelJoAiQUyIqyWl2O7YHPnpJH+TgR7oelzNzt/kLRcH89M\n" |
| "/TszB6zqyLTC4aqmvzKL0peD/jL2LWBucR0WXIvjA3zoRuF/x86+rYH3tHb+xs2P\n" |
| "Ss8EGL/Ev+ss+qTzTGEn26fuGNHkNw6tOwPpc+o8+wUtzf/kAthamo+cIDs2rQ+l\n" |
| "P7+aLZTLeU/q4gcLutlzcK5imex5xy2jPkweq48kijK0kIzl1cPlA5d1z7C8jU50\n" |
| "Pj9X9sQDJTN32j7UYRisJeeYQF8GaaN8SbrDI6zHgKzrRLyxDt/KQa9ViLeXANgZ\n" |
| "i+Xx9KgfAgMBAAECggEBAK0VjSJzkyPaamcyTVSWjo7GdaBGcK60lk657RjR+lK0\n" |
| "YJ7pkej4oM2hdsVZFsP8Cs4E33nXLa/0pDsRov/qrp0WQm2skwqGMC1I/bZ0WRPk\n" |
| "wHaDrBBfESWnJDX/AGpVtlyOjPmgmK6J2usMPihQUDkKdAYrVWJePrMIxt1q6BMe\n" |
| "iczs3qriMmtY3bUc4UyUwJ5fhDLjshHvfuIpYQyI6EXZM6dZksn9LylXJnigY6QJ\n" |
| "HxOYO0BDwOsZ8yQ8J8afLk88i0GizEkgE1z3REtQUwgWfxr1WV/ud+T6/ZhSAgH9\n" |
| "042mQvSFZnIUSEsmCvjhWuAunfxHKCTcAoYISWfzWpkCgYEA7gpf3HHU5Tn+CgUn\n" |
| "1X5uGpG3DmcMgfeGgs2r2f/IIg/5Ac1dfYILiybL1tN9zbyLCJfcbFpWBc9hJL6f\n" |
| "CPc5hUiwWFJqBJewxQkC1Ae/HakHbip+IZ+Jr0842O4BAArvixk4Lb7/N2Ct9sTE\n" |
| "NJO6RtK9lbEZ5uK61DglHy8CS2UCgYEA4ZC1o36kPAMQBggajgnucb2yuUEelk0f\n" |
| "AEr+GI32MGE+93xMr7rAhBoqLg4AITyIfEnOSQ5HwagnIHonBbv1LV/Gf9ursx8Z\n" |
| "YOGbvT8zzzC+SU1bkDzdjAYnFQVGIjMtKOBJ3K07++ypwX1fr4QsQ8uKL8WSOWwt\n" |
| "Z3Bym6XiZzMCgYADnhy+2OwHX85AkLt+PyGlPbmuelpyTzS4IDAQbBa6jcuW/2wA\n" |
| "UE2km75VUXmD+u2R/9zVuLm99NzhFhSMqlUxdV1YukfqMfP5yp1EY6m/5aW7QuIP\n" |
| "2MDa7TVL9rIFMiVZ09RKvbBbQxjhuzPQKL6X/PPspnhiTefQ+dl2k9xREQKBgHDS\n" |
| "fMfGNEeAEKezrfSVqxphE9/tXms3L+ZpnCaT+yu/uEr5dTIAawKoQ6i9f/sf1/Sy\n" |
| "xedsqR+IB+oKrzIDDWMgoJybN4pkZ8E5lzhVQIjFjKgFdWLzzqyW9z1gYfABQPlN\n" |
| "FiS20WX0vgP1vcKAjdNrHzc9zyHBpgQzDmAj3NZZAoGBAI8vKCKdH7w3aL5CNkZQ\n" |
| "2buIeWNA2HZazVwAGG5F2TU/LmXfRKnG6dX5bkU+AkBZh56jNZy//hfFSewJB4Kk\n" |
| "buB7ERSdaNbO21zXt9FEA3+z0RfMd/Zv2vlIWOSB5nzl/7UKti3sribK6s9ZVLfi\n" |
| "SxpiPQ8d/hmSGwn4ksrWUsJD\n" |
| "-----END PRIVATE KEY-----\n"; |
| bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(kKeyPEM, strlen(kKeyPEM))); |
| return bssl::UniquePtr<EVP_PKEY>( |
| PEM_read_bio_PrivateKey(bio.get(), nullptr, nullptr, nullptr)); |
| } |
| |
| static bool CompleteHandshakes(SSL *client, SSL *server) { |
| // Drive both their handshakes to completion. |
| for (;;) { |
| int client_ret = SSL_do_handshake(client); |
| int client_err = SSL_get_error(client, client_ret); |
| if (client_err != SSL_ERROR_NONE && |
| client_err != SSL_ERROR_WANT_READ && |
| client_err != SSL_ERROR_WANT_WRITE && |
| client_err != SSL_ERROR_PENDING_TICKET) { |
| fprintf(stderr, "Client error: %d\n", client_err); |
| return false; |
| } |
| |
| int server_ret = SSL_do_handshake(server); |
| int server_err = SSL_get_error(server, server_ret); |
| if (server_err != SSL_ERROR_NONE && |
| server_err != SSL_ERROR_WANT_READ && |
| server_err != SSL_ERROR_WANT_WRITE && |
| server_err != SSL_ERROR_PENDING_TICKET) { |
| fprintf(stderr, "Server error: %d\n", server_err); |
| return false; |
| } |
| |
| if (client_ret == 1 && server_ret == 1) { |
| break; |
| } |
| } |
| |
| return true; |
| } |
| |
| static bool ConnectClientAndServer(bssl::UniquePtr<SSL> *out_client, |
| bssl::UniquePtr<SSL> *out_server, |
| SSL_CTX *client_ctx, SSL_CTX *server_ctx, |
| SSL_SESSION *session) { |
| bssl::UniquePtr<SSL> client(SSL_new(client_ctx)), server(SSL_new(server_ctx)); |
| if (!client || !server) { |
| return false; |
| } |
| SSL_set_connect_state(client.get()); |
| SSL_set_accept_state(server.get()); |
| |
| SSL_set_session(client.get(), session); |
| |
| BIO *bio1, *bio2; |
| if (!BIO_new_bio_pair(&bio1, 0, &bio2, 0)) { |
| return false; |
| } |
| // SSL_set_bio takes ownership. |
| SSL_set_bio(client.get(), bio1, bio1); |
| SSL_set_bio(server.get(), bio2, bio2); |
| |
| if (!CompleteHandshakes(client.get(), server.get())) { |
| return false; |
| } |
| |
| *out_client = std::move(client); |
| *out_server = std::move(server); |
| return true; |
| } |
| |
| static bool TestSequenceNumber(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(method)); |
| if (!server_ctx || !client_ctx || |
| !SSL_CTX_set_min_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_min_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(server_ctx.get(), version)) { |
| return false; |
| } |
| |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key || !SSL_CTX_use_certificate(server_ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx.get(), key.get())) { |
| return false; |
| } |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), nullptr /* no session */)) { |
| return false; |
| } |
| |
| // Drain any post-handshake messages to ensure there are no unread records |
| // on either end. |
| uint8_t byte = 0; |
| if (SSL_read(client.get(), &byte, 1) > 0 || |
| SSL_read(server.get(), &byte, 1) > 0) { |
| fprintf(stderr, "Received unexpected data.\n"); |
| return false; |
| } |
| |
| uint64_t client_read_seq = SSL_get_read_sequence(client.get()); |
| uint64_t client_write_seq = SSL_get_write_sequence(client.get()); |
| uint64_t server_read_seq = SSL_get_read_sequence(server.get()); |
| uint64_t server_write_seq = SSL_get_write_sequence(server.get()); |
| |
| if (is_dtls) { |
| // Both client and server must be at epoch 1. |
| if (EpochFromSequence(client_read_seq) != 1 || |
| EpochFromSequence(client_write_seq) != 1 || |
| EpochFromSequence(server_read_seq) != 1 || |
| EpochFromSequence(server_write_seq) != 1) { |
| fprintf(stderr, "Bad epochs.\n"); |
| return false; |
| } |
| |
| // The next record to be written should exceed the largest received. |
| if (client_write_seq <= server_read_seq || |
| server_write_seq <= client_read_seq) { |
| fprintf(stderr, "Inconsistent sequence numbers.\n"); |
| return false; |
| } |
| } else { |
| // The next record to be written should equal the next to be received. |
| if (client_write_seq != server_read_seq || |
| server_write_seq != client_read_seq) { |
| fprintf(stderr, "Inconsistent sequence numbers.\n"); |
| return false; |
| } |
| } |
| |
| // Send a record from client to server. |
| if (SSL_write(client.get(), &byte, 1) != 1 || |
| SSL_read(server.get(), &byte, 1) != 1) { |
| fprintf(stderr, "Could not send byte.\n"); |
| return false; |
| } |
| |
| // The client write and server read sequence numbers should have |
| // incremented. |
| if (client_write_seq + 1 != SSL_get_write_sequence(client.get()) || |
| server_read_seq + 1 != SSL_get_read_sequence(server.get())) { |
| fprintf(stderr, "Sequence numbers did not increment.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool TestOneSidedShutdown(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| // SSL_shutdown is a no-op in DTLS. |
| if (is_dtls) { |
| return true; |
| } |
| |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!client_ctx || !server_ctx || !cert || !key || |
| !SSL_CTX_set_min_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_min_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_use_certificate(server_ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx.get(), key.get())) { |
| return false; |
| } |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), nullptr /* no session */)) { |
| return false; |
| } |
| |
| // Shut down half the connection. SSL_shutdown will return 0 to signal only |
| // one side has shut down. |
| if (SSL_shutdown(client.get()) != 0) { |
| fprintf(stderr, "Could not shutdown.\n"); |
| return false; |
| } |
| |
| // Reading from the server should consume the EOF. |
| uint8_t byte; |
| if (SSL_read(server.get(), &byte, 1) != 0 || |
| SSL_get_error(server.get(), 0) != SSL_ERROR_ZERO_RETURN) { |
| fprintf(stderr, "Connection was not shut down cleanly.\n"); |
| return false; |
| } |
| |
| // However, the server may continue to write data and then shut down the |
| // connection. |
| byte = 42; |
| if (SSL_write(server.get(), &byte, 1) != 1 || |
| SSL_read(client.get(), &byte, 1) != 1 || |
| byte != 42) { |
| fprintf(stderr, "Could not send byte.\n"); |
| return false; |
| } |
| |
| // The server may then shutdown the connection. |
| if (SSL_shutdown(server.get()) != 1 || |
| SSL_shutdown(client.get()) != 1) { |
| fprintf(stderr, "Could not complete shutdown.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| TEST(SSLTest, SessionDuplication) { |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(client_ctx); |
| ASSERT_TRUE(server_ctx); |
| |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| ASSERT_TRUE(cert); |
| ASSERT_TRUE(key); |
| ASSERT_TRUE(SSL_CTX_use_certificate(server_ctx.get(), cert.get())); |
| ASSERT_TRUE(SSL_CTX_use_PrivateKey(server_ctx.get(), key.get())); |
| |
| bssl::UniquePtr<SSL> client, server; |
| ASSERT_TRUE(ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), |
| nullptr /* no session */)); |
| |
| SSL_SESSION *session0 = SSL_get_session(client.get()); |
| bssl::UniquePtr<SSL_SESSION> session1( |
| SSL_SESSION_dup(session0, SSL_SESSION_DUP_ALL)); |
| ASSERT_TRUE(session1); |
| |
| session1->not_resumable = 0; |
| |
| uint8_t *s0_bytes, *s1_bytes; |
| size_t s0_len, s1_len; |
| |
| ASSERT_TRUE(SSL_SESSION_to_bytes(session0, &s0_bytes, &s0_len)); |
| bssl::UniquePtr<uint8_t> free_s0(s0_bytes); |
| |
| ASSERT_TRUE(SSL_SESSION_to_bytes(session1.get(), &s1_bytes, &s1_len)); |
| bssl::UniquePtr<uint8_t> free_s1(s1_bytes); |
| |
| EXPECT_EQ(Bytes(s0_bytes, s0_len), Bytes(s1_bytes, s1_len)); |
| } |
| |
| static void ExpectFDs(const SSL *ssl, int rfd, int wfd) { |
| EXPECT_EQ(rfd, SSL_get_rfd(ssl)); |
| EXPECT_EQ(wfd, SSL_get_wfd(ssl)); |
| |
| // The wrapper BIOs are always equal when fds are equal, even if set |
| // individually. |
| if (rfd == wfd) { |
| EXPECT_EQ(SSL_get_rbio(ssl), SSL_get_wbio(ssl)); |
| } |
| } |
| |
| TEST(SSLTest, SetFD) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| // Test setting different read and write FDs. |
| bssl::UniquePtr<SSL> ssl(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| EXPECT_TRUE(SSL_set_rfd(ssl.get(), 1)); |
| EXPECT_TRUE(SSL_set_wfd(ssl.get(), 2)); |
| ExpectFDs(ssl.get(), 1, 2); |
| |
| // Test setting the same FD. |
| ssl.reset(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| EXPECT_TRUE(SSL_set_fd(ssl.get(), 1)); |
| ExpectFDs(ssl.get(), 1, 1); |
| |
| // Test setting the same FD one side at a time. |
| ssl.reset(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| EXPECT_TRUE(SSL_set_rfd(ssl.get(), 1)); |
| EXPECT_TRUE(SSL_set_wfd(ssl.get(), 1)); |
| ExpectFDs(ssl.get(), 1, 1); |
| |
| // Test setting the same FD in the other order. |
| ssl.reset(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| EXPECT_TRUE(SSL_set_wfd(ssl.get(), 1)); |
| EXPECT_TRUE(SSL_set_rfd(ssl.get(), 1)); |
| ExpectFDs(ssl.get(), 1, 1); |
| |
| // Test changing the read FD partway through. |
| ssl.reset(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| EXPECT_TRUE(SSL_set_fd(ssl.get(), 1)); |
| EXPECT_TRUE(SSL_set_rfd(ssl.get(), 2)); |
| ExpectFDs(ssl.get(), 2, 1); |
| |
| // Test changing the write FD partway through. |
| ssl.reset(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| EXPECT_TRUE(SSL_set_fd(ssl.get(), 1)); |
| EXPECT_TRUE(SSL_set_wfd(ssl.get(), 2)); |
| ExpectFDs(ssl.get(), 1, 2); |
| |
| // Test a no-op change to the read FD partway through. |
| ssl.reset(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| EXPECT_TRUE(SSL_set_fd(ssl.get(), 1)); |
| EXPECT_TRUE(SSL_set_rfd(ssl.get(), 1)); |
| ExpectFDs(ssl.get(), 1, 1); |
| |
| // Test a no-op change to the write FD partway through. |
| ssl.reset(SSL_new(ctx.get())); |
| ASSERT_TRUE(ssl); |
| EXPECT_TRUE(SSL_set_fd(ssl.get(), 1)); |
| EXPECT_TRUE(SSL_set_wfd(ssl.get(), 1)); |
| ExpectFDs(ssl.get(), 1, 1); |
| |
| // ASan builds will implicitly test that the internal |BIO| reference-counting |
| // is correct. |
| } |
| |
| TEST(SSLTest, SetBIO) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| bssl::UniquePtr<SSL> ssl(SSL_new(ctx.get())); |
| bssl::UniquePtr<BIO> bio1(BIO_new(BIO_s_mem())), bio2(BIO_new(BIO_s_mem())), |
| bio3(BIO_new(BIO_s_mem())); |
| ASSERT_TRUE(ssl); |
| ASSERT_TRUE(bio1); |
| ASSERT_TRUE(bio2); |
| ASSERT_TRUE(bio3); |
| |
| // SSL_set_bio takes one reference when the parameters are the same. |
| BIO_up_ref(bio1.get()); |
| SSL_set_bio(ssl.get(), bio1.get(), bio1.get()); |
| |
| // Repeating the call does nothing. |
| SSL_set_bio(ssl.get(), bio1.get(), bio1.get()); |
| |
| // It takes one reference each when the parameters are different. |
| BIO_up_ref(bio2.get()); |
| BIO_up_ref(bio3.get()); |
| SSL_set_bio(ssl.get(), bio2.get(), bio3.get()); |
| |
| // Repeating the call does nothing. |
| SSL_set_bio(ssl.get(), bio2.get(), bio3.get()); |
| |
| // It takes one reference when changing only wbio. |
| BIO_up_ref(bio1.get()); |
| SSL_set_bio(ssl.get(), bio2.get(), bio1.get()); |
| |
| // It takes one reference when changing only rbio and the two are different. |
| BIO_up_ref(bio3.get()); |
| SSL_set_bio(ssl.get(), bio3.get(), bio1.get()); |
| |
| // If setting wbio to rbio, it takes no additional references. |
| SSL_set_bio(ssl.get(), bio3.get(), bio3.get()); |
| |
| // From there, wbio may be switched to something else. |
| BIO_up_ref(bio1.get()); |
| SSL_set_bio(ssl.get(), bio3.get(), bio1.get()); |
| |
| // If setting rbio to wbio, it takes no additional references. |
| SSL_set_bio(ssl.get(), bio1.get(), bio1.get()); |
| |
| // From there, rbio may be switched to something else, but, for historical |
| // reasons, it takes a reference to both parameters. |
| BIO_up_ref(bio1.get()); |
| BIO_up_ref(bio2.get()); |
| SSL_set_bio(ssl.get(), bio2.get(), bio1.get()); |
| |
| // ASAN builds will implicitly test that the internal |BIO| reference-counting |
| // is correct. |
| } |
| |
| static int VerifySucceed(X509_STORE_CTX *store_ctx, void *arg) { return 1; } |
| |
| static bool TestGetPeerCertificate(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key) { |
| return false; |
| } |
| |
| // Configure both client and server to accept any certificate. |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(method)); |
| if (!ctx || |
| !SSL_CTX_use_certificate(ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(ctx.get(), key.get()) || |
| !SSL_CTX_set_min_proto_version(ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(ctx.get(), version)) { |
| return false; |
| } |
| SSL_CTX_set_verify( |
| ctx.get(), SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr); |
| SSL_CTX_set_cert_verify_callback(ctx.get(), VerifySucceed, NULL); |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, ctx.get(), ctx.get(), |
| nullptr /* no session */)) { |
| return false; |
| } |
| |
| // Client and server should both see the leaf certificate. |
| bssl::UniquePtr<X509> peer(SSL_get_peer_certificate(server.get())); |
| if (!peer || X509_cmp(cert.get(), peer.get()) != 0) { |
| fprintf(stderr, "Server peer certificate did not match.\n"); |
| return false; |
| } |
| |
| peer.reset(SSL_get_peer_certificate(client.get())); |
| if (!peer || X509_cmp(cert.get(), peer.get()) != 0) { |
| fprintf(stderr, "Client peer certificate did not match.\n"); |
| return false; |
| } |
| |
| // However, for historical reasons, the chain includes the leaf on the |
| // client, but does not on the server. |
| if (sk_X509_num(SSL_get_peer_cert_chain(client.get())) != 1) { |
| fprintf(stderr, "Client peer chain was incorrect.\n"); |
| return false; |
| } |
| |
| if (sk_X509_num(SSL_get_peer_cert_chain(server.get())) != 0) { |
| fprintf(stderr, "Server peer chain was incorrect.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool TestRetainOnlySHA256OfCerts(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key) { |
| return false; |
| } |
| |
| uint8_t *cert_der = NULL; |
| int cert_der_len = i2d_X509(cert.get(), &cert_der); |
| if (cert_der_len < 0) { |
| return false; |
| } |
| bssl::UniquePtr<uint8_t> free_cert_der(cert_der); |
| |
| uint8_t cert_sha256[SHA256_DIGEST_LENGTH]; |
| SHA256(cert_der, cert_der_len, cert_sha256); |
| |
| // Configure both client and server to accept any certificate, but the |
| // server must retain only the SHA-256 of the peer. |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(method)); |
| if (!ctx || |
| !SSL_CTX_use_certificate(ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(ctx.get(), key.get()) || |
| !SSL_CTX_set_min_proto_version(ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(ctx.get(), version)) { |
| return false; |
| } |
| SSL_CTX_set_verify( |
| ctx.get(), SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr); |
| SSL_CTX_set_cert_verify_callback(ctx.get(), VerifySucceed, NULL); |
| SSL_CTX_set_retain_only_sha256_of_client_certs(ctx.get(), 1); |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, ctx.get(), ctx.get(), |
| nullptr /* no session */)) { |
| return false; |
| } |
| |
| // The peer certificate has been dropped. |
| bssl::UniquePtr<X509> peer(SSL_get_peer_certificate(server.get())); |
| if (peer) { |
| fprintf(stderr, "Peer certificate was retained.\n"); |
| return false; |
| } |
| |
| SSL_SESSION *session = SSL_get_session(server.get()); |
| if (!session->peer_sha256_valid) { |
| fprintf(stderr, "peer_sha256_valid was not set.\n"); |
| return false; |
| } |
| |
| if (OPENSSL_memcmp(cert_sha256, session->peer_sha256, SHA256_DIGEST_LENGTH) != |
| 0) { |
| fprintf(stderr, "peer_sha256 did not match.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool ClientHelloMatches(uint16_t version, const uint8_t *expected, |
| size_t expected_len) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| // Our default cipher list varies by CPU capabilities, so manually place the |
| // ChaCha20 ciphers in front. |
| const char* cipher_list = "CHACHA20:ALL"; |
| if (!ctx || |
| // SSLv3 is off by default. |
| !SSL_CTX_set_min_proto_version(ctx.get(), SSL3_VERSION) || |
| !SSL_CTX_set_max_proto_version(ctx.get(), version) || |
| !SSL_CTX_set_strict_cipher_list(ctx.get(), cipher_list)) { |
| return false; |
| } |
| |
| bssl::UniquePtr<SSL> ssl(SSL_new(ctx.get())); |
| if (!ssl) { |
| return false; |
| } |
| std::vector<uint8_t> client_hello; |
| if (!GetClientHello(ssl.get(), &client_hello)) { |
| return false; |
| } |
| |
| // Zero the client_random. |
| constexpr size_t kRandomOffset = 1 + 2 + 2 + // record header |
| 1 + 3 + // handshake message header |
| 2; // client_version |
| if (client_hello.size() < kRandomOffset + SSL3_RANDOM_SIZE) { |
| fprintf(stderr, "ClientHello for version %04x too short.\n", version); |
| return false; |
| } |
| OPENSSL_memset(client_hello.data() + kRandomOffset, 0, SSL3_RANDOM_SIZE); |
| |
| if (client_hello.size() != expected_len || |
| OPENSSL_memcmp(client_hello.data(), expected, expected_len) != 0) { |
| fprintf(stderr, "ClientHello for version %04x did not match:\n", version); |
| fprintf(stderr, "Got:\n\t"); |
| for (size_t i = 0; i < client_hello.size(); i++) { |
| fprintf(stderr, "0x%02x, ", client_hello[i]); |
| } |
| fprintf(stderr, "\nWanted:\n\t"); |
| for (size_t i = 0; i < expected_len; i++) { |
| fprintf(stderr, "0x%02x, ", expected[i]); |
| } |
| fprintf(stderr, "\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // Tests that our ClientHellos do not change unexpectedly. |
| static bool TestClientHello() { |
| static const uint8_t kSSL3ClientHello[] = { |
| 0x16, |
| 0x03, 0x00, |
| 0x00, 0x3b, |
| 0x01, |
| 0x00, 0x00, 0x37, |
| 0x03, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, |
| 0x00, 0x10, |
| 0xc0, 0x09, |
| 0xc0, 0x13, |
| 0xc0, 0x0a, |
| 0xc0, 0x14, |
| 0x00, 0x2f, |
| 0x00, 0x35, |
| 0x00, 0x0a, |
| 0x00, 0xff, 0x01, 0x00, |
| }; |
| if (!ClientHelloMatches(SSL3_VERSION, kSSL3ClientHello, |
| sizeof(kSSL3ClientHello))) { |
| return false; |
| } |
| |
| static const uint8_t kTLS1ClientHello[] = { |
| 0x16, |
| 0x03, 0x01, |
| 0x00, 0x5a, |
| 0x01, |
| 0x00, 0x00, 0x56, |
| 0x03, 0x01, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, |
| 0x00, 0x0e, |
| 0xc0, 0x09, |
| 0xc0, 0x13, |
| 0xc0, 0x0a, |
| 0xc0, 0x14, |
| 0x00, 0x2f, |
| 0x00, 0x35, |
| 0x00, 0x0a, |
| 0x01, 0x00, 0x00, 0x1f, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x17, 0x00, |
| 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, |
| 0x0a, 0x00, 0x08, 0x00, 0x06, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, |
| }; |
| if (!ClientHelloMatches(TLS1_VERSION, kTLS1ClientHello, |
| sizeof(kTLS1ClientHello))) { |
| return false; |
| } |
| |
| static const uint8_t kTLS11ClientHello[] = { |
| 0x16, |
| 0x03, 0x01, |
| 0x00, 0x5a, |
| 0x01, |
| 0x00, 0x00, 0x56, |
| 0x03, 0x02, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, |
| 0x00, 0x0e, |
| 0xc0, 0x09, |
| 0xc0, 0x13, |
| 0xc0, 0x0a, |
| 0xc0, 0x14, |
| 0x00, 0x2f, |
| 0x00, 0x35, |
| 0x00, 0x0a, |
| 0x01, 0x00, 0x00, 0x1f, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x17, 0x00, |
| 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, |
| 0x0a, 0x00, 0x08, 0x00, 0x06, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, |
| }; |
| if (!ClientHelloMatches(TLS1_1_VERSION, kTLS11ClientHello, |
| sizeof(kTLS11ClientHello))) { |
| return false; |
| } |
| |
| // kTLS12ClientHello assumes RSA-PSS, which is disabled for Android system |
| // builds. |
| #if defined(BORINGSSL_ANDROID_SYSTEM) |
| return true; |
| #endif |
| |
| static const uint8_t kTLS12ClientHello[] = { |
| 0x16, |
| 0x03, 0x01, |
| 0x00, 0x8e, |
| 0x01, |
| 0x00, 0x00, 0x8a, |
| 0x03, 0x03, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x2a, |
| 0xcc, 0xa9, |
| 0xcc, 0xa8, |
| 0xc0, 0x2b, |
| 0xc0, 0x2f, |
| 0xc0, 0x2c, |
| 0xc0, 0x30, |
| 0xc0, 0x09, |
| 0xc0, 0x23, |
| 0xc0, 0x13, |
| 0xc0, 0x27, |
| 0xc0, 0x0a, |
| 0xc0, 0x24, |
| 0xc0, 0x14, |
| 0xc0, 0x28, |
| 0x00, 0x9c, |
| 0x00, 0x9d, |
| 0x00, 0x2f, |
| 0x00, 0x3c, |
| 0x00, 0x35, |
| 0x00, 0x3d, |
| 0x00, 0x0a, |
| 0x01, 0x00, 0x00, 0x37, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x17, 0x00, |
| 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x14, 0x00, 0x12, 0x04, |
| 0x03, 0x08, 0x04, 0x04, 0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01, 0x08, |
| 0x06, 0x06, 0x01, 0x02, 0x01, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, |
| 0x0a, 0x00, 0x08, 0x00, 0x06, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, |
| }; |
| if (!ClientHelloMatches(TLS1_2_VERSION, kTLS12ClientHello, |
| sizeof(kTLS12ClientHello))) { |
| return false; |
| } |
| |
| // TODO(davidben): Add a change detector for TLS 1.3 once the spec and our |
| // implementation has settled enough that it won't change. |
| |
| return true; |
| } |
| |
| static bssl::UniquePtr<SSL_SESSION> g_last_session; |
| |
| static int SaveLastSession(SSL *ssl, SSL_SESSION *session) { |
| // Save the most recent session. |
| g_last_session.reset(session); |
| return 1; |
| } |
| |
| static bssl::UniquePtr<SSL_SESSION> CreateClientSession(SSL_CTX *client_ctx, |
| SSL_CTX *server_ctx) { |
| g_last_session = nullptr; |
| SSL_CTX_sess_set_new_cb(client_ctx, SaveLastSession); |
| |
| // Connect client and server to get a session. |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx, server_ctx, |
| nullptr /* no session */)) { |
| fprintf(stderr, "Failed to connect client and server.\n"); |
| return nullptr; |
| } |
| |
| // Run the read loop to account for post-handshake tickets in TLS 1.3. |
| SSL_read(client.get(), nullptr, 0); |
| |
| SSL_CTX_sess_set_new_cb(client_ctx, nullptr); |
| |
| if (!g_last_session) { |
| fprintf(stderr, "Client did not receive a session.\n"); |
| return nullptr; |
| } |
| return std::move(g_last_session); |
| } |
| |
| static bool ExpectSessionReused(SSL_CTX *client_ctx, SSL_CTX *server_ctx, |
| SSL_SESSION *session, |
| bool reused) { |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx, |
| server_ctx, session)) { |
| fprintf(stderr, "Failed to connect client and server.\n"); |
| return false; |
| } |
| |
| if (SSL_session_reused(client.get()) != SSL_session_reused(server.get())) { |
| fprintf(stderr, "Client and server were inconsistent.\n"); |
| return false; |
| } |
| |
| bool was_reused = !!SSL_session_reused(client.get()); |
| if (was_reused != reused) { |
| fprintf(stderr, "Session was%s reused, but we expected the opposite.\n", |
| was_reused ? "" : " not"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bssl::UniquePtr<SSL_SESSION> ExpectSessionRenewed(SSL_CTX *client_ctx, |
| SSL_CTX *server_ctx, |
| SSL_SESSION *session) { |
| g_last_session = nullptr; |
| SSL_CTX_sess_set_new_cb(client_ctx, SaveLastSession); |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx, |
| server_ctx, session)) { |
| fprintf(stderr, "Failed to connect client and server.\n"); |
| return nullptr; |
| } |
| |
| if (SSL_session_reused(client.get()) != SSL_session_reused(server.get())) { |
| fprintf(stderr, "Client and server were inconsistent.\n"); |
| return nullptr; |
| } |
| |
| if (!SSL_session_reused(client.get())) { |
| fprintf(stderr, "Session was not reused.\n"); |
| return nullptr; |
| } |
| |
| // Run the read loop to account for post-handshake tickets in TLS 1.3. |
| SSL_read(client.get(), nullptr, 0); |
| |
| SSL_CTX_sess_set_new_cb(client_ctx, nullptr); |
| |
| if (!g_last_session) { |
| fprintf(stderr, "Client did not receive a renewed session.\n"); |
| return nullptr; |
| } |
| return std::move(g_last_session); |
| } |
| |
| static int SwitchSessionIDContextSNI(SSL *ssl, int *out_alert, void *arg) { |
| static const uint8_t kContext[] = {3}; |
| |
| if (!SSL_set_session_id_context(ssl, kContext, sizeof(kContext))) { |
| return SSL_TLSEXT_ERR_ALERT_FATAL; |
| } |
| |
| return SSL_TLSEXT_ERR_OK; |
| } |
| |
| static bool TestSessionIDContext(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key) { |
| return false; |
| } |
| |
| static const uint8_t kContext1[] = {1}; |
| static const uint8_t kContext2[] = {2}; |
| |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(method)); |
| if (!server_ctx || !client_ctx || |
| !SSL_CTX_use_certificate(server_ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx.get(), key.get()) || |
| !SSL_CTX_set_session_id_context(server_ctx.get(), kContext1, |
| sizeof(kContext1)) || |
| !SSL_CTX_set_min_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_min_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(server_ctx.get(), version)) { |
| return false; |
| } |
| |
| SSL_CTX_set_session_cache_mode(client_ctx.get(), SSL_SESS_CACHE_BOTH); |
| SSL_CTX_set_session_cache_mode(server_ctx.get(), SSL_SESS_CACHE_BOTH); |
| |
| bssl::UniquePtr<SSL_SESSION> session = |
| CreateClientSession(client_ctx.get(), server_ctx.get()); |
| if (!session) { |
| fprintf(stderr, "Error getting session.\n"); |
| return false; |
| } |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| true /* expect session reused */)) { |
| fprintf(stderr, "Error resuming session.\n"); |
| return false; |
| } |
| |
| // Change the session ID context. |
| if (!SSL_CTX_set_session_id_context(server_ctx.get(), kContext2, |
| sizeof(kContext2))) { |
| return false; |
| } |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| false /* expect session not reused */)) { |
| fprintf(stderr, "Error connecting with a different context.\n"); |
| return false; |
| } |
| |
| // Change the session ID context back and install an SNI callback to switch |
| // it. |
| if (!SSL_CTX_set_session_id_context(server_ctx.get(), kContext1, |
| sizeof(kContext1))) { |
| return false; |
| } |
| |
| SSL_CTX_set_tlsext_servername_callback(server_ctx.get(), |
| SwitchSessionIDContextSNI); |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| false /* expect session not reused */)) { |
| fprintf(stderr, "Error connecting with a context switch on SNI callback.\n"); |
| return false; |
| } |
| |
| // Switch the session ID context with the early callback instead. |
| SSL_CTX_set_tlsext_servername_callback(server_ctx.get(), nullptr); |
| SSL_CTX_set_select_certificate_cb( |
| server_ctx.get(), |
| [](const SSL_CLIENT_HELLO *client_hello) -> ssl_select_cert_result_t { |
| static const uint8_t kContext[] = {3}; |
| |
| if (!SSL_set_session_id_context(client_hello->ssl, kContext, |
| sizeof(kContext))) { |
| return ssl_select_cert_error; |
| } |
| |
| return ssl_select_cert_success; |
| }); |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| false /* expect session not reused */)) { |
| fprintf(stderr, |
| "Error connecting with a context switch on early callback.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static timeval g_current_time; |
| |
| static void CurrentTimeCallback(const SSL *ssl, timeval *out_clock) { |
| *out_clock = g_current_time; |
| } |
| |
| static void FrozenTimeCallback(const SSL *ssl, timeval *out_clock) { |
| out_clock->tv_sec = 1000; |
| out_clock->tv_usec = 0; |
| } |
| |
| static int RenewTicketCallback(SSL *ssl, uint8_t *key_name, uint8_t *iv, |
| EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx, |
| int encrypt) { |
| static const uint8_t kZeros[16] = {0}; |
| |
| if (encrypt) { |
| OPENSSL_memcpy(key_name, kZeros, sizeof(kZeros)); |
| RAND_bytes(iv, 16); |
| } else if (OPENSSL_memcmp(key_name, kZeros, 16) != 0) { |
| return 0; |
| } |
| |
| if (!HMAC_Init_ex(hmac_ctx, kZeros, sizeof(kZeros), EVP_sha256(), NULL) || |
| !EVP_CipherInit_ex(ctx, EVP_aes_128_cbc(), NULL, kZeros, iv, encrypt)) { |
| return -1; |
| } |
| |
| // Returning two from the callback in decrypt mode renews the |
| // session in TLS 1.2 and below. |
| return encrypt ? 1 : 2; |
| } |
| |
| static bool GetServerTicketTime(long *out, const SSL_SESSION *session) { |
| if (session->tlsext_ticklen < 16 + 16 + SHA256_DIGEST_LENGTH) { |
| return false; |
| } |
| |
| const uint8_t *ciphertext = session->tlsext_tick + 16 + 16; |
| size_t len = session->tlsext_ticklen - 16 - 16 - SHA256_DIGEST_LENGTH; |
| std::unique_ptr<uint8_t[]> plaintext(new uint8_t[len]); |
| |
| #if defined(BORINGSSL_UNSAFE_FUZZER_MODE) |
| // Fuzzer-mode tickets are unencrypted. |
| OPENSSL_memcpy(plaintext.get(), ciphertext, len); |
| #else |
| static const uint8_t kZeros[16] = {0}; |
| const uint8_t *iv = session->tlsext_tick + 16; |
| bssl::ScopedEVP_CIPHER_CTX ctx; |
| int len1, len2; |
| if (!EVP_DecryptInit_ex(ctx.get(), EVP_aes_128_cbc(), nullptr, kZeros, iv) || |
| !EVP_DecryptUpdate(ctx.get(), plaintext.get(), &len1, ciphertext, len) || |
| !EVP_DecryptFinal_ex(ctx.get(), plaintext.get() + len1, &len2)) { |
| return false; |
| } |
| |
| len = static_cast<size_t>(len1 + len2); |
| #endif |
| |
| bssl::UniquePtr<SSL_CTX> ssl_ctx(SSL_CTX_new(TLS_method())); |
| if (!ssl_ctx) { |
| return false; |
| } |
| bssl::UniquePtr<SSL_SESSION> server_session( |
| SSL_SESSION_from_bytes(plaintext.get(), len, ssl_ctx.get())); |
| if (!server_session) { |
| return false; |
| } |
| |
| *out = server_session->time; |
| return true; |
| } |
| |
| static bool TestSessionTimeout(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key) { |
| return false; |
| } |
| |
| for (bool server_test : std::vector<bool>{false, true}) { |
| static const time_t kStartTime = 1000; |
| g_current_time.tv_sec = kStartTime; |
| |
| // We are willing to use a longer lifetime for TLS 1.3 sessions as |
| // resumptions still perform ECDHE. |
| const time_t timeout = version == TLS1_3_VERSION |
| ? SSL_DEFAULT_SESSION_PSK_DHE_TIMEOUT |
| : SSL_DEFAULT_SESSION_TIMEOUT; |
| |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(method)); |
| if (!server_ctx || !client_ctx || |
| !SSL_CTX_use_certificate(server_ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx.get(), key.get()) || |
| !SSL_CTX_set_min_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_min_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(server_ctx.get(), version)) { |
| return false; |
| } |
| |
| SSL_CTX_set_session_cache_mode(client_ctx.get(), SSL_SESS_CACHE_BOTH); |
| SSL_CTX_set_session_cache_mode(server_ctx.get(), SSL_SESS_CACHE_BOTH); |
| |
| // Both client and server must enforce session timeouts. We configure the |
| // other side with a frozen clock so it never expires tickets. |
| if (server_test) { |
| SSL_CTX_set_current_time_cb(client_ctx.get(), FrozenTimeCallback); |
| SSL_CTX_set_current_time_cb(server_ctx.get(), CurrentTimeCallback); |
| } else { |
| SSL_CTX_set_current_time_cb(client_ctx.get(), CurrentTimeCallback); |
| SSL_CTX_set_current_time_cb(server_ctx.get(), FrozenTimeCallback); |
| } |
| |
| // Configure a ticket callback which renews tickets. |
| SSL_CTX_set_tlsext_ticket_key_cb(server_ctx.get(), RenewTicketCallback); |
| |
| bssl::UniquePtr<SSL_SESSION> session = |
| CreateClientSession(client_ctx.get(), server_ctx.get()); |
| if (!session) { |
| fprintf(stderr, "Error getting session.\n"); |
| return false; |
| } |
| |
| // Advance the clock just behind the timeout. |
| g_current_time.tv_sec += timeout - 1; |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| true /* expect session reused */)) { |
| fprintf(stderr, "Error resuming session.\n"); |
| return false; |
| } |
| |
| // Advance the clock one more second. |
| g_current_time.tv_sec++; |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| false /* expect session not reused */)) { |
| fprintf(stderr, "Error resuming session.\n"); |
| return false; |
| } |
| |
| // Rewind the clock to before the session was minted. |
| g_current_time.tv_sec = kStartTime - 1; |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| false /* expect session not reused */)) { |
| fprintf(stderr, "Error resuming session.\n"); |
| return false; |
| } |
| |
| // SSL 3.0 cannot renew sessions. |
| if (version == SSL3_VERSION) { |
| continue; |
| } |
| |
| // Renew the session 10 seconds before expiration. |
| time_t new_start_time = kStartTime + timeout - 10; |
| g_current_time.tv_sec = new_start_time; |
| bssl::UniquePtr<SSL_SESSION> new_session = |
| ExpectSessionRenewed(client_ctx.get(), server_ctx.get(), session.get()); |
| if (!new_session) { |
| fprintf(stderr, "Error renewing session.\n"); |
| return false; |
| } |
| |
| // This new session is not the same object as before. |
| if (session.get() == new_session.get()) { |
| fprintf(stderr, "New and old sessions alias.\n"); |
| return false; |
| } |
| |
| // Check the sessions have timestamps measured from issuance. |
| long session_time = 0; |
| if (server_test) { |
| if (!GetServerTicketTime(&session_time, new_session.get())) { |
| fprintf(stderr, "Failed to decode session ticket.\n"); |
| return false; |
| } |
| } else { |
| session_time = new_session->time; |
| } |
| |
| if (session_time != g_current_time.tv_sec) { |
| fprintf(stderr, "New session is not measured from issuance.\n"); |
| return false; |
| } |
| |
| if (version == TLS1_3_VERSION) { |
| // Renewal incorporates fresh key material in TLS 1.3, so we extend the |
| // lifetime TLS 1.3. |
| g_current_time.tv_sec = new_start_time + timeout - 1; |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), |
| new_session.get(), |
| true /* expect session reused */)) { |
| fprintf(stderr, "Error resuming renewed session.\n"); |
| return false; |
| } |
| |
| // The new session expires after the new timeout. |
| g_current_time.tv_sec = new_start_time + timeout + 1; |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), |
| new_session.get(), |
| false /* expect session ot reused */)) { |
| fprintf(stderr, "Renewed session's lifetime is too long.\n"); |
| return false; |
| } |
| |
| // Renew the session until it begins just past the auth timeout. |
| time_t auth_end_time = kStartTime + SSL_DEFAULT_SESSION_AUTH_TIMEOUT; |
| while (new_start_time < auth_end_time - 1000) { |
| // Get as close as possible to target start time. |
| new_start_time = |
| std::min(auth_end_time - 1000, new_start_time + timeout - 1); |
| g_current_time.tv_sec = new_start_time; |
| new_session = ExpectSessionRenewed(client_ctx.get(), server_ctx.get(), |
| new_session.get()); |
| if (!new_session) { |
| fprintf(stderr, "Error renewing session.\n"); |
| return false; |
| } |
| } |
| |
| // Now the session's lifetime is bound by the auth timeout. |
| g_current_time.tv_sec = auth_end_time - 1; |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), |
| new_session.get(), |
| true /* expect session reused */)) { |
| fprintf(stderr, "Error resuming renewed session.\n"); |
| return false; |
| } |
| |
| g_current_time.tv_sec = auth_end_time + 1; |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), |
| new_session.get(), |
| false /* expect session ot reused */)) { |
| fprintf(stderr, "Renewed session's lifetime is too long.\n"); |
| return false; |
| } |
| } else { |
| // The new session is usable just before the old expiration. |
| g_current_time.tv_sec = kStartTime + timeout - 1; |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), |
| new_session.get(), |
| true /* expect session reused */)) { |
| fprintf(stderr, "Error resuming renewed session.\n"); |
| return false; |
| } |
| |
| // Renewal does not extend the lifetime, so it is not usable beyond the |
| // old expiration. |
| g_current_time.tv_sec = kStartTime + timeout + 1; |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), |
| new_session.get(), |
| false /* expect session not reused */)) { |
| fprintf(stderr, "Renewed session's lifetime is too long.\n"); |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| static int SwitchContext(SSL *ssl, int *out_alert, void *arg) { |
| SSL_CTX *ctx = reinterpret_cast<SSL_CTX*>(arg); |
| SSL_set_SSL_CTX(ssl, ctx); |
| return SSL_TLSEXT_ERR_OK; |
| } |
| |
| static bool TestSNICallback(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| // SSL 3.0 lacks extensions. |
| if (version == SSL3_VERSION) { |
| return true; |
| } |
| |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| bssl::UniquePtr<X509> cert2 = GetECDSATestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key2 = GetECDSATestKey(); |
| if (!cert || !key || !cert2 || !key2) { |
| return false; |
| } |
| |
| // Test that switching the |SSL_CTX| at the SNI callback behaves correctly. |
| static const uint16_t kECDSAWithSHA256 = SSL_SIGN_ECDSA_SECP256R1_SHA256; |
| |
| static const uint8_t kSCTList[] = {0, 6, 0, 4, 5, 6, 7, 8}; |
| static const uint8_t kOCSPResponse[] = {1, 2, 3, 4}; |
| |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL_CTX> server_ctx2(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(method)); |
| if (!server_ctx || !server_ctx2 || !client_ctx || |
| !SSL_CTX_use_certificate(server_ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx.get(), key.get()) || |
| !SSL_CTX_use_certificate(server_ctx2.get(), cert2.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx2.get(), key2.get()) || |
| !SSL_CTX_set_signed_cert_timestamp_list(server_ctx2.get(), kSCTList, |
| sizeof(kSCTList)) || |
| !SSL_CTX_set_ocsp_response(server_ctx2.get(), kOCSPResponse, |
| sizeof(kOCSPResponse)) || |
| // Historically signing preferences would be lost in some cases with the |
| // SNI callback, which triggers the TLS 1.2 SHA-1 default. To ensure |
| // this doesn't happen when |version| is TLS 1.2, configure the private |
| // key to only sign SHA-256. |
| !SSL_CTX_set_signing_algorithm_prefs(server_ctx2.get(), &kECDSAWithSHA256, |
| 1) || |
| !SSL_CTX_set_min_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_min_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_min_proto_version(server_ctx2.get(), version) || |
| !SSL_CTX_set_max_proto_version(server_ctx2.get(), version)) { |
| return false; |
| } |
| |
| SSL_CTX_set_tlsext_servername_callback(server_ctx.get(), SwitchContext); |
| SSL_CTX_set_tlsext_servername_arg(server_ctx.get(), server_ctx2.get()); |
| |
| SSL_CTX_enable_signed_cert_timestamps(client_ctx.get()); |
| SSL_CTX_enable_ocsp_stapling(client_ctx.get()); |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), nullptr)) { |
| fprintf(stderr, "Handshake failed.\n"); |
| return false; |
| } |
| |
| // The client should have received |cert2|. |
| bssl::UniquePtr<X509> peer(SSL_get_peer_certificate(client.get())); |
| if (!peer || X509_cmp(peer.get(), cert2.get()) != 0) { |
| fprintf(stderr, "Incorrect certificate received.\n"); |
| return false; |
| } |
| |
| // The client should have received |server_ctx2|'s SCT list. |
| const uint8_t *data; |
| size_t len; |
| SSL_get0_signed_cert_timestamp_list(client.get(), &data, &len); |
| if (Bytes(kSCTList) != Bytes(data, len)) { |
| fprintf(stderr, "Incorrect SCT list received.\n"); |
| return false; |
| } |
| |
| // The client should have received |server_ctx2|'s OCSP response. |
| SSL_get0_ocsp_response(client.get(), &data, &len); |
| if (Bytes(kOCSPResponse) != Bytes(data, len)) { |
| fprintf(stderr, "Incorrect OCSP response received.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // Test that the early callback can swap the maximum version. |
| TEST(SSLTest, EarlyCallbackVersionSwitch) { |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(cert); |
| ASSERT_TRUE(key); |
| ASSERT_TRUE(server_ctx); |
| ASSERT_TRUE(client_ctx); |
| ASSERT_TRUE(SSL_CTX_use_certificate(server_ctx.get(), cert.get())); |
| ASSERT_TRUE(SSL_CTX_use_PrivateKey(server_ctx.get(), key.get())); |
| ASSERT_TRUE(SSL_CTX_set_max_proto_version(client_ctx.get(), TLS1_3_VERSION)); |
| ASSERT_TRUE(SSL_CTX_set_max_proto_version(server_ctx.get(), TLS1_3_VERSION)); |
| |
| SSL_CTX_set_select_certificate_cb( |
| server_ctx.get(), |
| [](const SSL_CLIENT_HELLO *client_hello) -> ssl_select_cert_result_t { |
| if (!SSL_set_max_proto_version(client_hello->ssl, TLS1_2_VERSION)) { |
| return ssl_select_cert_error; |
| } |
| |
| return ssl_select_cert_success; |
| }); |
| |
| bssl::UniquePtr<SSL> client, server; |
| ASSERT_TRUE(ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), nullptr)); |
| EXPECT_EQ(TLS1_2_VERSION, SSL_version(client.get())); |
| } |
| |
| TEST(SSLTest, SetVersion) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| // Set valid TLS versions. |
| EXPECT_TRUE(SSL_CTX_set_max_proto_version(ctx.get(), TLS1_VERSION)); |
| EXPECT_TRUE(SSL_CTX_set_max_proto_version(ctx.get(), TLS1_1_VERSION)); |
| EXPECT_TRUE(SSL_CTX_set_min_proto_version(ctx.get(), TLS1_VERSION)); |
| EXPECT_TRUE(SSL_CTX_set_min_proto_version(ctx.get(), TLS1_1_VERSION)); |
| |
| // Invalid TLS versions are rejected. |
| EXPECT_FALSE(SSL_CTX_set_max_proto_version(ctx.get(), DTLS1_VERSION)); |
| EXPECT_FALSE(SSL_CTX_set_max_proto_version(ctx.get(), 0x0200)); |
| EXPECT_FALSE(SSL_CTX_set_max_proto_version(ctx.get(), 0x1234)); |
| EXPECT_FALSE(SSL_CTX_set_min_proto_version(ctx.get(), DTLS1_VERSION)); |
| EXPECT_FALSE(SSL_CTX_set_min_proto_version(ctx.get(), 0x0200)); |
| EXPECT_FALSE(SSL_CTX_set_min_proto_version(ctx.get(), 0x1234)); |
| |
| // Zero is the default version. |
| EXPECT_TRUE(SSL_CTX_set_max_proto_version(ctx.get(), 0)); |
| EXPECT_EQ(TLS1_2_VERSION, ctx->max_version); |
| EXPECT_TRUE(SSL_CTX_set_min_proto_version(ctx.get(), 0)); |
| EXPECT_EQ(TLS1_VERSION, ctx->min_version); |
| |
| // SSL 3.0 and TLS 1.3 are available, but not by default. |
| EXPECT_TRUE(SSL_CTX_set_min_proto_version(ctx.get(), SSL3_VERSION)); |
| EXPECT_EQ(SSL3_VERSION, ctx->min_version); |
| EXPECT_TRUE(SSL_CTX_set_max_proto_version(ctx.get(), TLS1_3_VERSION)); |
| EXPECT_EQ(TLS1_3_VERSION, ctx->max_version); |
| |
| ctx.reset(SSL_CTX_new(DTLS_method())); |
| ASSERT_TRUE(ctx); |
| |
| EXPECT_TRUE(SSL_CTX_set_max_proto_version(ctx.get(), DTLS1_VERSION)); |
| EXPECT_TRUE(SSL_CTX_set_max_proto_version(ctx.get(), DTLS1_2_VERSION)); |
| EXPECT_TRUE(SSL_CTX_set_min_proto_version(ctx.get(), DTLS1_VERSION)); |
| EXPECT_TRUE(SSL_CTX_set_min_proto_version(ctx.get(), DTLS1_2_VERSION)); |
| |
| EXPECT_FALSE(SSL_CTX_set_max_proto_version(ctx.get(), TLS1_VERSION)); |
| EXPECT_FALSE(SSL_CTX_set_max_proto_version(ctx.get(), 0xfefe /* DTLS 1.1 */)); |
| EXPECT_FALSE(SSL_CTX_set_max_proto_version(ctx.get(), 0xfffe /* DTLS 0.1 */)); |
| EXPECT_FALSE(SSL_CTX_set_max_proto_version(ctx.get(), 0x1234)); |
| EXPECT_FALSE(SSL_CTX_set_min_proto_version(ctx.get(), TLS1_VERSION)); |
| EXPECT_FALSE(SSL_CTX_set_min_proto_version(ctx.get(), 0xfefe /* DTLS 1.1 */)); |
| EXPECT_FALSE(SSL_CTX_set_min_proto_version(ctx.get(), 0xfffe /* DTLS 0.1 */)); |
| EXPECT_FALSE(SSL_CTX_set_min_proto_version(ctx.get(), 0x1234)); |
| |
| EXPECT_TRUE(SSL_CTX_set_max_proto_version(ctx.get(), 0)); |
| EXPECT_EQ(TLS1_2_VERSION, ctx->max_version); |
| EXPECT_TRUE(SSL_CTX_set_min_proto_version(ctx.get(), 0)); |
| EXPECT_EQ(TLS1_1_VERSION, ctx->min_version); |
| } |
| |
| static const char *GetVersionName(uint16_t version) { |
| switch (version) { |
| case SSL3_VERSION: |
| return "SSLv3"; |
| case TLS1_VERSION: |
| return "TLSv1"; |
| case TLS1_1_VERSION: |
| return "TLSv1.1"; |
| case TLS1_2_VERSION: |
| return "TLSv1.2"; |
| case TLS1_3_VERSION: |
| return "TLSv1.3"; |
| case DTLS1_VERSION: |
| return "DTLSv1"; |
| case DTLS1_2_VERSION: |
| return "DTLSv1.2"; |
| default: |
| return "???"; |
| } |
| } |
| |
| static bool TestVersion(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key) { |
| return false; |
| } |
| |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL> client, server; |
| if (!server_ctx || !client_ctx || |
| !SSL_CTX_use_certificate(server_ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx.get(), key.get()) || |
| !SSL_CTX_set_min_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_min_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(server_ctx.get(), version) || |
| !ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), nullptr /* no session */)) { |
| fprintf(stderr, "Failed to connect.\n"); |
| return false; |
| } |
| |
| if (SSL_version(client.get()) != version || |
| SSL_version(server.get()) != version) { |
| fprintf(stderr, "Version mismatch. Got %04x and %04x, wanted %04x.\n", |
| SSL_version(client.get()), SSL_version(server.get()), version); |
| return false; |
| } |
| |
| // Test the version name is reported as expected. |
| const char *version_name = GetVersionName(version); |
| if (strcmp(version_name, SSL_get_version(client.get())) != 0 || |
| strcmp(version_name, SSL_get_version(server.get())) != 0) { |
| fprintf(stderr, "Version name mismatch. Got '%s' and '%s', wanted '%s'.\n", |
| SSL_get_version(client.get()), SSL_get_version(server.get()), |
| version_name); |
| return false; |
| } |
| |
| // Test SSL_SESSION reports the same name. |
| const char *client_name = |
| SSL_SESSION_get_version(SSL_get_session(client.get())); |
| const char *server_name = |
| SSL_SESSION_get_version(SSL_get_session(server.get())); |
| if (strcmp(version_name, client_name) != 0 || |
| strcmp(version_name, server_name) != 0) { |
| fprintf(stderr, |
| "Session version name mismatch. Got '%s' and '%s', wanted '%s'.\n", |
| client_name, server_name, version_name); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // Tests that that |SSL_get_pending_cipher| is available during the ALPN |
| // selection callback. |
| static bool TestALPNCipherAvailable(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| // SSL 3.0 lacks extensions. |
| if (version == SSL3_VERSION) { |
| return true; |
| } |
| |
| static const uint8_t kALPNProtos[] = {0x03, 'f', 'o', 'o'}; |
| |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key) { |
| return false; |
| } |
| |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(method)); |
| if (!ctx || !SSL_CTX_use_certificate(ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(ctx.get(), key.get()) || |
| !SSL_CTX_set_min_proto_version(ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(ctx.get(), version) || |
| SSL_CTX_set_alpn_protos(ctx.get(), kALPNProtos, sizeof(kALPNProtos)) != |
| 0) { |
| return false; |
| } |
| |
| // The ALPN callback does not fail the handshake on error, so have the |
| // callback write a boolean. |
| std::pair<uint16_t, bool> callback_state(version, false); |
| SSL_CTX_set_alpn_select_cb( |
| ctx.get(), |
| [](SSL *ssl, const uint8_t **out, uint8_t *out_len, const uint8_t *in, |
| unsigned in_len, void *arg) -> int { |
| auto state = reinterpret_cast<std::pair<uint16_t, bool> *>(arg); |
| if (SSL_get_pending_cipher(ssl) != nullptr && |
| SSL_version(ssl) == state->first) { |
| state->second = true; |
| } |
| return SSL_TLSEXT_ERR_NOACK; |
| }, |
| &callback_state); |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, ctx.get(), ctx.get(), |
| nullptr /* no session */)) { |
| return false; |
| } |
| |
| if (!callback_state.second) { |
| fprintf(stderr, "The pending cipher was not known in the ALPN callback.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool TestSSLClearSessionResumption(bool is_dtls, |
| const SSL_METHOD *method, |
| uint16_t version) { |
| // Skip this for TLS 1.3. TLS 1.3's ticket mechanism is incompatible with this |
| // API pattern. |
| if (version == TLS1_3_VERSION) { |
| return true; |
| } |
| |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(method)); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(method)); |
| if (!cert || !key || !server_ctx || !client_ctx || |
| !SSL_CTX_use_certificate(server_ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx.get(), key.get()) || |
| !SSL_CTX_set_min_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(client_ctx.get(), version) || |
| !SSL_CTX_set_min_proto_version(server_ctx.get(), version) || |
| !SSL_CTX_set_max_proto_version(server_ctx.get(), version)) { |
| return false; |
| } |
| |
| // Connect a client and a server. |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), nullptr /* no session */)) { |
| return false; |
| } |
| |
| if (SSL_session_reused(client.get()) || |
| SSL_session_reused(server.get())) { |
| fprintf(stderr, "Session unexpectedly reused.\n"); |
| return false; |
| } |
| |
| // Reset everything. |
| if (!SSL_clear(client.get()) || |
| !SSL_clear(server.get())) { |
| fprintf(stderr, "SSL_clear failed.\n"); |
| return false; |
| } |
| |
| // Attempt to connect a second time. |
| if (!CompleteHandshakes(client.get(), server.get())) { |
| fprintf(stderr, "Could not reuse SSL objects.\n"); |
| return false; |
| } |
| |
| // |SSL_clear| should implicitly offer the previous session to the server. |
| if (!SSL_session_reused(client.get()) || |
| !SSL_session_reused(server.get())) { |
| fprintf(stderr, "Session was not reused in second try.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool ChainsEqual(STACK_OF(X509) *chain, |
| const std::vector<X509 *> &expected) { |
| if (sk_X509_num(chain) != expected.size()) { |
| return false; |
| } |
| |
| for (size_t i = 0; i < expected.size(); i++) { |
| if (X509_cmp(sk_X509_value(chain, i), expected[i]) != 0) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static bool TestAutoChain(bool is_dtls, const SSL_METHOD *method, |
| uint16_t version) { |
| bssl::UniquePtr<X509> cert = GetChainTestCertificate(); |
| bssl::UniquePtr<X509> intermediate = GetChainTestIntermediate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetChainTestKey(); |
| if (!cert || !intermediate || !key) { |
| return false; |
| } |
| |
| // Configure both client and server to accept any certificate. Add |
| // |intermediate| to the cert store. |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(method)); |
| if (!ctx || |
|