| /* 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 <openssl/base64.h> |
| #include <openssl/bio.h> |
| #include <openssl/crypto.h> |
| #include <openssl/err.h> |
| #include <openssl/pem.h> |
| #include <openssl/sha.h> |
| #include <openssl/ssl.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; |
| }; |
| |
| 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_ECDSA_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| }, |
| // + 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_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| }, |
| // ! 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_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| }, |
| // Multiple masks can be ANDed in a single rule. |
| { |
| "kRSA+AESGCM+AES128", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| }, |
| // - removes selected ciphers, but preserves their order for future |
| // selections. Select AES_128_GCM, but order the key exchanges RSA, DHE_RSA, |
| // ECDHE_RSA. |
| { |
| "ALL:-kECDHE:-kDHE:-kRSA:-ALL:" |
| "AESGCM+AES128+aRSA", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| }, |
| // Unknown selectors are no-ops. |
| { |
| "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| "ECDHE-RSA-CHACHA20-POLY1305:" |
| "ECDHE-ECDSA-AES128-GCM-SHA256:" |
| "ECDHE-RSA-AES128-GCM-SHA256:" |
| "BOGUS1:-BOGUS2:+BOGUS3:!BOGUS4", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| }, |
| // 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_CHACHA20_POLY1305_OLD, 1}, |
| {TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 1}, |
| {TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 0}, |
| }, |
| }, |
| // @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. |
| "!kEDH:!AESGCM:!3DES:!SHA256:!MD5:!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_CHACHA20_POLY1305_OLD, 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}, |
| }, |
| }, |
| // 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}, |
| }, |
| }, |
| // SSLv3 matches everything that existed before TLS 1.2. |
| { |
| "AES128-SHA:AES128-SHA256:!SSLv3", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_SHA256, 0}, |
| }, |
| }, |
| // TLSv1.2 matches everything added in TLS 1.2. |
| { |
| "AES128-SHA:AES128-SHA256:!TLSv1.2", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_SHA, 0}, |
| }, |
| }, |
| // The two directives have no intersection. |
| { |
| "AES128-SHA:AES128-SHA256:!TLSv1.2+SSLv3", |
| { |
| {TLS1_CK_RSA_WITH_AES_128_SHA, 0}, |
| {TLS1_CK_RSA_WITH_AES_128_SHA256, 0}, |
| }, |
| }, |
| // The shared name of the CHACHA20_POLY1305 variants behaves like a cipher |
| // name and not an alias. It may not be used in a multipart rule. (That the |
| // shared name works is covered by the standard tests.) |
| { |
| "ECDHE-ECDSA-CHACHA20-POLY1305:" |
| "ECDHE-RSA-CHACHA20-POLY1305:" |
| "!ECDHE-RSA-CHACHA20-POLY1305+RSA:" |
| "!ECDSA+ECDHE-ECDSA-CHACHA20-POLY1305", |
| { |
| {TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305_OLD, 0}, |
| {TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, 0}, |
| {TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305_OLD, 0}, |
| }, |
| }, |
| }; |
| |
| 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", |
| }; |
| |
| static const char *kMustNotIncludeNull[] = { |
| "ALL", |
| "DEFAULT", |
| "ALL:!eNULL", |
| "ALL:!NULL", |
| "HIGH", |
| "FIPS", |
| "SHA", |
| "SHA1", |
| "RSA", |
| "SSLv3", |
| "TLSv1", |
| "TLSv1.2", |
| }; |
| |
| static const char *kMustNotIncludeCECPQ1[] = { |
| "ALL", |
| "DEFAULT", |
| "HIGH", |
| "FIPS", |
| "SHA", |
| "SHA1", |
| "SHA256", |
| "SHA384", |
| "RSA", |
| "SSLv3", |
| "TLSv1", |
| "TLSv1.2", |
| "aRSA", |
| "RSA", |
| "aECDSA", |
| "ECDSA", |
| "AES", |
| "AES128", |
| "AES256", |
| "AESGCM", |
| "CHACHA20", |
| }; |
| |
| static void PrintCipherPreferenceList(ssl_cipher_preference_list_st *list) { |
| bool in_group = false; |
| 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]) { |
| fprintf(stderr, "\t[\n"); |
| in_group = true; |
| } |
| fprintf(stderr, "\t"); |
| if (in_group) { |
| fprintf(stderr, " "); |
| } |
| fprintf(stderr, "%s\n", SSL_CIPHER_get_name(cipher)); |
| if (in_group && !list->in_group_flags[i]) { |
| fprintf(stderr, "\t]\n"); |
| in_group = false; |
| } |
| } |
| } |
| |
| static bool TestCipherRule(const CipherTest &t) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| if (!ctx) { |
| return false; |
| } |
| |
| if (!SSL_CTX_set_cipher_list(ctx.get(), t.rule)) { |
| fprintf(stderr, "Error testing cipher rule '%s'\n", t.rule); |
| return false; |
| } |
| |
| // Compare the two lists. |
| if (sk_SSL_CIPHER_num(ctx->cipher_list->ciphers) != t.expected.size()) { |
| fprintf(stderr, "Error: cipher rule '%s' evaluated to:\n", t.rule); |
| PrintCipherPreferenceList(ctx->cipher_list); |
| return false; |
| } |
| |
| for (size_t i = 0; i < t.expected.size(); i++) { |
| const SSL_CIPHER *cipher = |
| sk_SSL_CIPHER_value(ctx->cipher_list->ciphers, i); |
| if (t.expected[i].id != SSL_CIPHER_get_id(cipher) || |
| t.expected[i].in_group_flag != ctx->cipher_list->in_group_flags[i]) { |
| fprintf(stderr, "Error: cipher rule '%s' evaluated to:\n", t.rule); |
| PrintCipherPreferenceList(ctx->cipher_list); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static bool TestRuleDoesNotIncludeNull(const char *rule) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(SSLv23_server_method())); |
| if (!ctx) { |
| return false; |
| } |
| if (!SSL_CTX_set_cipher_list(ctx.get(), rule)) { |
| fprintf(stderr, "Error: cipher rule '%s' failed\n", rule); |
| return false; |
| } |
| for (size_t i = 0; i < sk_SSL_CIPHER_num(ctx->cipher_list->ciphers); i++) { |
| if (SSL_CIPHER_is_NULL(sk_SSL_CIPHER_value(ctx->cipher_list->ciphers, i))) { |
| fprintf(stderr, "Error: cipher rule '%s' includes NULL\n",rule); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| static bool TestRuleDoesNotIncludeCECPQ1(const char *rule) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| if (!ctx) { |
| return false; |
| } |
| if (!SSL_CTX_set_cipher_list(ctx.get(), rule)) { |
| fprintf(stderr, "Error: cipher rule '%s' failed\n", rule); |
| return false; |
| } |
| for (size_t i = 0; i < sk_SSL_CIPHER_num(ctx->cipher_list->ciphers); i++) { |
| if (SSL_CIPHER_is_CECPQ1(sk_SSL_CIPHER_value(ctx->cipher_list->ciphers, i))) { |
| fprintf(stderr, "Error: cipher rule '%s' includes CECPQ1\n",rule); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| static bool TestCipherRules() { |
| for (const CipherTest &test : kCipherTests) { |
| if (!TestCipherRule(test)) { |
| return false; |
| } |
| } |
| |
| for (const char *rule : kBadRules) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(SSLv23_server_method())); |
| if (!ctx) { |
| return false; |
| } |
| if (SSL_CTX_set_cipher_list(ctx.get(), rule)) { |
| fprintf(stderr, "Cipher rule '%s' unexpectedly succeeded\n", rule); |
| return false; |
| } |
| ERR_clear_error(); |
| } |
| |
| for (const char *rule : kMustNotIncludeNull) { |
| if (!TestRuleDoesNotIncludeNull(rule)) { |
| return false; |
| } |
| } |
| |
| for (const char *rule : kMustNotIncludeCECPQ1) { |
| if (!TestRuleDoesNotIncludeCECPQ1(rule)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| // kOpenSSLSession is a serialized SSL_SESSION generated from openssl |
| // s_client -sess_out. |
| static const char kOpenSSLSession[] = |
| "MIIFpQIBAQICAwMEAsAvBCAG5Q1ndq4Yfmbeo1zwLkNRKmCXGdNgWvGT3cskV0yQ" |
| "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" |
| "i4gv7Y5oliyn"; |
| |
| // 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" |
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| "0zA0crFl5ci/2sTBBGZsylNBAgMBAAGjggFBMIIBPTAdBgNVHSUEFjAUBggrBgEF" |
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| "RzIuY3J0MCsGCCsGAQUFBzABhh9odHRwOi8vY2xpZW50czEuZ29vZ2xlLmNvbS9v" |
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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_SESSION> session(SSL_SESSION_from_bytes(input.data(), input.size())); |
| 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() || |
| 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 (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_SESSION> session(SSL_SESSION_from_bytes(input.data(), input.size())); |
| if (session) { |
| fprintf(stderr, "SSL_SESSION_from_bytes unexpectedly succeeded\n"); |
| return false; |
| } |
| ERR_clear_error(); |
| return true; |
| } |
| |
| static bool TestDefaultVersion(uint16_t min_version, uint16_t max_version, |
| const SSL_METHOD *(*method)(void)) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(method())); |
| if (!ctx) { |
| return false; |
| } |
| if (ctx->min_version != min_version || ctx->max_version != max_version) { |
| fprintf(stderr, "Got min %04x, max %04x; wanted min %04x, max %04x\n", |
| ctx->min_version, ctx->max_version, min_version, max_version); |
| return false; |
| } |
| return true; |
| } |
| |
| static bool CipherGetRFCName(std::string *out, uint16_t value) { |
| const SSL_CIPHER *cipher = SSL_get_cipher_by_value(value); |
| if (cipher == NULL) { |
| return false; |
| } |
| bssl::UniquePtr<char> rfc_name(SSL_CIPHER_get_rfc_name(cipher)); |
| if (!rfc_name) { |
| return false; |
| } |
| out->assign(rfc_name.get()); |
| return true; |
| } |
| |
| 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_DHE_RSA_WITH_AES_256_SHA, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" }, |
| { TLS1_CK_DHE_RSA_WITH_AES_256_SHA256, |
| "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" }, |
| { 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" }, |
| // These names are non-standard: |
| { TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305_OLD, |
| "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256" }, |
| { TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305_OLD, |
| "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256" }, |
| }; |
| |
| static bool TestCipherGetRFCName(void) { |
| for (size_t i = 0; |
| i < OPENSSL_ARRAY_SIZE(kCipherRFCNameTests); i++) { |
| const CIPHER_RFC_NAME_TEST *test = &kCipherRFCNameTests[i]; |
| std::string rfc_name; |
| if (!CipherGetRFCName(&rfc_name, test->id & 0xffff)) { |
| fprintf(stderr, "SSL_CIPHER_get_rfc_name failed\n"); |
| return false; |
| } |
| if (rfc_name != test->rfc_name) { |
| fprintf(stderr, "SSL_CIPHER_get_rfc_name: got '%s', wanted '%s'\n", |
| rfc_name.c_str(), test->rfc_name); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| // CreateSessionWithTicket returns a sample |SSL_SESSION| with the ticket |
| // replaced for one of length |ticket_len| or nullptr on failure. |
| static bssl::UniquePtr<SSL_SESSION> CreateSessionWithTicket(size_t ticket_len) { |
| std::vector<uint8_t> der; |
| if (!DecodeBase64(&der, kOpenSSLSession)) { |
| return nullptr; |
| } |
| bssl::UniquePtr<SSL_SESSION> session(SSL_SESSION_from_bytes(der.data(), der.size())); |
| if (!session) { |
| return nullptr; |
| } |
| |
| // 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; |
| } |
| memset(session->tlsext_tick, 'a', ticket_len); |
| session->tlsext_ticklen = ticket_len; |
| |
| // Fix up the timeout. |
| session->time = time(NULL); |
| 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 a ticket of length |
| // |ticket_len| and records the ClientHello. It returns the length of the |
| // ClientHello, not including the record header, on success and zero on error. |
| static size_t GetClientHelloLen(size_t ticket_len) { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_SESSION> session = CreateSessionWithTicket(ticket_len); |
| if (!ctx || !session) { |
| return 0; |
| } |
| bssl::UniquePtr<SSL> ssl(SSL_new(ctx.get())); |
| if (!ssl || !SSL_set_session(ssl.get(), session.get())) { |
| 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() { |
| // Sample a baseline length. |
| size_t base_len = GetClientHelloLen(1); |
| if (base_len == 0) { |
| return false; |
| } |
| |
| for (const PaddingTest &test : kPaddingTests) { |
| if (base_len > test.input_len) { |
| fprintf(stderr, "Baseline ClientHello too long.\n"); |
| return false; |
| } |
| |
| size_t padded_len = GetClientHelloLen(1 + test.input_len - base_len); |
| if (padded_len != test.padded_len) { |
| fprintf(stderr, "%u-byte ClientHello padded to %u bytes, not %u.\n", |
| static_cast<unsigned>(test.input_len), |
| static_cast<unsigned>(padded_len), |
| static_cast<unsigned>(test.padded_len)); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| // Test that |SSL_get_client_CA_list| echoes back the configured parameter even |
| // before configuring as a server. |
| static bool TestClientCAList() { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| if (!ctx) { |
| return false; |
| } |
| bssl::UniquePtr<SSL> ssl(SSL_new(ctx.get())); |
| if (!ssl) { |
| return false; |
| } |
| |
| STACK_OF(X509_NAME) *stack = sk_X509_NAME_new_null(); |
| if (stack == nullptr) { |
| return false; |
| } |
| // |SSL_set_client_CA_list| takes ownership. |
| SSL_set_client_CA_list(ssl.get(), stack); |
| |
| return SSL_get_client_CA_list(ssl.get()) == stack; |
| } |
| |
| static void AppendSession(SSL_SESSION *session, void *arg) { |
| std::vector<SSL_SESSION*> *out = |
| reinterpret_cast<std::vector<SSL_SESSION*>*>(arg); |
| out->push_back(session); |
| } |
| |
| // ExpectCache returns true if |ctx|'s session cache consists of |expected|, in |
| // order. |
| static bool ExpectCache(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_SESSION> ret(SSL_SESSION_new()); |
| if (!ret) { |
| return nullptr; |
| } |
| |
| ret->session_id_length = SSL3_SSL_SESSION_ID_LENGTH; |
| memset(ret->session_id, 0, ret->session_id_length); |
| memcpy(ret->session_id, &number, sizeof(number)); |
| return ret; |
| } |
| |
| // Test that the internal session cache behaves as expected. |
| static bool TestInternalSessionCache() { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| if (!ctx) { |
| return false; |
| } |
| |
| // 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); |
| if (!session) { |
| return false; |
| } |
| 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) { |
| if (!SSL_CTX_add_session(ctx.get(), session.get())) { |
| return false; |
| } |
| } |
| |
| // Only the last five should be in the list. |
| std::vector<SSL_SESSION*> expected = { |
| sessions[9].get(), |
| sessions[8].get(), |
| sessions[7].get(), |
| sessions[6].get(), |
| sessions[5].get(), |
| }; |
| if (!ExpectCache(ctx.get(), expected)) { |
| return false; |
| } |
| |
| // Inserting an element already in the cache should fail. |
| if (SSL_CTX_add_session(ctx.get(), sessions[7].get()) || |
| !ExpectCache(ctx.get(), expected)) { |
| return false; |
| } |
| |
| // Although collisions should be impossible (256-bit session IDs), the cache |
| // must handle them gracefully. |
| bssl::UniquePtr<SSL_SESSION> collision(CreateTestSession(7)); |
| if (!collision || !SSL_CTX_add_session(ctx.get(), collision.get())) { |
| return false; |
| } |
| expected = { |
| collision.get(), |
| sessions[9].get(), |
| sessions[8].get(), |
| sessions[6].get(), |
| sessions[5].get(), |
| }; |
| if (!ExpectCache(ctx.get(), expected)) { |
| return false; |
| } |
| |
| // Removing sessions behaves correctly. |
| if (!SSL_CTX_remove_session(ctx.get(), sessions[6].get())) { |
| return false; |
| } |
| expected = { |
| collision.get(), |
| sessions[9].get(), |
| sessions[8].get(), |
| sessions[5].get(), |
| }; |
| if (!ExpectCache(ctx.get(), expected)) { |
| return false; |
| } |
| |
| // Removing sessions requires an exact match. |
| if (SSL_CTX_remove_session(ctx.get(), sessions[0].get()) || |
| SSL_CTX_remove_session(ctx.get(), sessions[7].get()) || |
| !ExpectCache(ctx.get(), expected)) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| 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 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); |
| |
| // Drive both their handshakes to completion. |
| for (;;) { |
| int client_ret = SSL_do_handshake(client.get()); |
| int client_err = SSL_get_error(client.get(), client_ret); |
| if (client_err != SSL_ERROR_NONE && |
| client_err != SSL_ERROR_WANT_READ && |
| client_err != SSL_ERROR_WANT_WRITE) { |
| fprintf(stderr, "Client error: %d\n", client_err); |
| return false; |
| } |
| |
| int server_ret = SSL_do_handshake(server.get()); |
| int server_err = SSL_get_error(server.get(), server_ret); |
| if (server_err != SSL_ERROR_NONE && |
| server_err != SSL_ERROR_WANT_READ && |
| server_err != SSL_ERROR_WANT_WRITE) { |
| fprintf(stderr, "Server error: %d\n", server_err); |
| return false; |
| } |
| |
| if (client_ret == 1 && server_ret == 1) { |
| break; |
| } |
| } |
| |
| *out_client = std::move(client); |
| *out_server = std::move(server); |
| return true; |
| } |
| |
| static bool TestSequenceNumber(bool dtls) { |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(dtls ? DTLS_method() : TLS_method())); |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(dtls ? DTLS_method() : TLS_method())); |
| if (!client_ctx || !server_ctx) { |
| 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; |
| } |
| |
| 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 (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_write_seq) { |
| fprintf(stderr, "Inconsistent sequence numbers.\n"); |
| return false; |
| } |
| } |
| |
| // Send a record from client to server. |
| uint8_t byte = 0; |
| 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() { |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(TLS_method())); |
| if (!client_ctx || !server_ctx) { |
| 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; |
| } |
| |
| // 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; |
| } |
| static bool TestSessionDuplication() { |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(TLS_method())); |
| if (!client_ctx || !server_ctx) { |
| 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; |
| } |
| |
| SSL_SESSION *session0 = SSL_get_session(client.get()); |
| bssl::UniquePtr<SSL_SESSION> session1(SSL_SESSION_dup(session0, SSL_SESSION_DUP_ALL)); |
| if (!session1) { |
| return false; |
| } |
| |
| session1->not_resumable = 0; |
| |
| uint8_t *s0_bytes, *s1_bytes; |
| size_t s0_len, s1_len; |
| |
| if (!SSL_SESSION_to_bytes(session0, &s0_bytes, &s0_len)) { |
| return false; |
| } |
| bssl::UniquePtr<uint8_t> free_s0(s0_bytes); |
| |
| if (!SSL_SESSION_to_bytes(session1.get(), &s1_bytes, &s1_len)) { |
| return false; |
| } |
| bssl::UniquePtr<uint8_t> free_s1(s1_bytes); |
| |
| return s0_len == s1_len && memcmp(s0_bytes, s1_bytes, s0_len) == 0; |
| } |
| |
| static bool ExpectFDs(const SSL *ssl, int rfd, int wfd) { |
| if (SSL_get_rfd(ssl) != rfd || SSL_get_wfd(ssl) != wfd) { |
| fprintf(stderr, "Got fds %d and %d, wanted %d and %d.\n", SSL_get_rfd(ssl), |
| SSL_get_wfd(ssl), rfd, wfd); |
| return false; |
| } |
| |
| // The wrapper BIOs are always equal when fds are equal, even if set |
| // individually. |
| if (rfd == wfd && SSL_get_rbio(ssl) != SSL_get_wbio(ssl)) { |
| fprintf(stderr, "rbio and wbio did not match.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool TestSetFD() { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| if (!ctx) { |
| return false; |
| } |
| |
| // Test setting different read and write FDs. |
| bssl::UniquePtr<SSL> ssl(SSL_new(ctx.get())); |
| if (!ssl || |
| !SSL_set_rfd(ssl.get(), 1) || |
| !SSL_set_wfd(ssl.get(), 2) || |
| !ExpectFDs(ssl.get(), 1, 2)) { |
| return false; |
| } |
| |
| // Test setting the same FD. |
| ssl.reset(SSL_new(ctx.get())); |
| if (!ssl || |
| !SSL_set_fd(ssl.get(), 1) || |
| !ExpectFDs(ssl.get(), 1, 1)) { |
| return false; |
| } |
| |
| // Test setting the same FD one side at a time. |
| ssl.reset(SSL_new(ctx.get())); |
| if (!ssl || |
| !SSL_set_rfd(ssl.get(), 1) || |
| !SSL_set_wfd(ssl.get(), 1) || |
| !ExpectFDs(ssl.get(), 1, 1)) { |
| return false; |
| } |
| |
| // Test setting the same FD in the other order. |
| ssl.reset(SSL_new(ctx.get())); |
| if (!ssl || |
| !SSL_set_wfd(ssl.get(), 1) || |
| !SSL_set_rfd(ssl.get(), 1) || |
| !ExpectFDs(ssl.get(), 1, 1)) { |
| return false; |
| } |
| |
| // Test changing the read FD partway through. |
| ssl.reset(SSL_new(ctx.get())); |
| if (!ssl || |
| !SSL_set_fd(ssl.get(), 1) || |
| !SSL_set_rfd(ssl.get(), 2) || |
| !ExpectFDs(ssl.get(), 2, 1)) { |
| return false; |
| } |
| |
| // Test changing the write FD partway through. |
| ssl.reset(SSL_new(ctx.get())); |
| if (!ssl || |
| !SSL_set_fd(ssl.get(), 1) || |
| !SSL_set_wfd(ssl.get(), 2) || |
| !ExpectFDs(ssl.get(), 1, 2)) { |
| return false; |
| } |
| |
| // Test a no-op change to the read FD partway through. |
| ssl.reset(SSL_new(ctx.get())); |
| if (!ssl || |
| !SSL_set_fd(ssl.get(), 1) || |
| !SSL_set_rfd(ssl.get(), 1) || |
| !ExpectFDs(ssl.get(), 1, 1)) { |
| return false; |
| } |
| |
| // Test a no-op change to the write FD partway through. |
| ssl.reset(SSL_new(ctx.get())); |
| if (!ssl || |
| !SSL_set_fd(ssl.get(), 1) || |
| !SSL_set_wfd(ssl.get(), 1) || |
| !ExpectFDs(ssl.get(), 1, 1)) { |
| return false; |
| } |
| |
| // ASan builds will implicitly test that the internal |BIO| reference-counting |
| // is correct. |
| |
| return true; |
| } |
| |
| static bool TestSetBIO() { |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| if (!ctx) { |
| return false; |
| } |
| |
| 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())); |
| if (!ssl || !bio1 || !bio2 || !bio3) { |
| return false; |
| } |
| |
| // 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. |
| return true; |
| } |
| |
| static uint16_t kVersions[] = { |
| SSL3_VERSION, TLS1_VERSION, TLS1_1_VERSION, TLS1_2_VERSION, TLS1_3_VERSION, |
| }; |
| |
| static int VerifySucceed(X509_STORE_CTX *store_ctx, void *arg) { return 1; } |
| |
| static bool TestGetPeerCertificate() { |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key) { |
| return false; |
| } |
| |
| for (uint16_t version : kVersions) { |
| // Configure both client and server to accept any certificate. |
| bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method())); |
| if (!ctx || |
| !SSL_CTX_use_certificate(ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(ctx.get(), key.get())) { |
| return false; |
| } |
| SSL_CTX_set_min_version(ctx.get(), version); |
| SSL_CTX_set_max_version(ctx.get(), version); |
| 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, "%x: Server peer certificate did not match.\n", version); |
| return false; |
| } |
| |
| peer.reset(SSL_get_peer_certificate(client.get())); |
| if (!peer || X509_cmp(cert.get(), peer.get()) != 0) { |
| fprintf(stderr, "%x: Client peer certificate did not match.\n", version); |
| 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, "%x: Client peer chain was incorrect.\n", version); |
| return false; |
| } |
| |
| if (sk_X509_num(SSL_get_peer_cert_chain(server.get())) != 0) { |
| fprintf(stderr, "%x: Server peer chain was incorrect.\n", version); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static bool TestRetainOnlySHA256OfCerts() { |
| 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); |
| |
| for (uint16_t version : kVersions) { |
| // 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(TLS_method())); |
| if (!ctx || |
| !SSL_CTX_use_certificate(ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(ctx.get(), key.get())) { |
| return false; |
| } |
| SSL_CTX_set_min_version(ctx.get(), version); |
| SSL_CTX_set_max_version(ctx.get(), version); |
| 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, "%x: Peer certificate was retained.\n", version); |
| return false; |
| } |
| |
| SSL_SESSION *session = SSL_get_session(server.get()); |
| if (!session->peer_sha256_valid) { |
| fprintf(stderr, "%x: peer_sha256_valid was not set.\n", version); |
| return false; |
| } |
| |
| if (memcmp(cert_sha256, session->peer_sha256, SHA256_DIGEST_LENGTH) != 0) { |
| fprintf(stderr, "%x: peer_sha256 did not match.\n", version); |
| 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())); |
| if (!ctx) { |
| return false; |
| } |
| SSL_CTX_set_max_version(ctx.get(), version); |
| // Our default cipher list varies by CPU capabilities, so manually place the |
| // ChaCha20 ciphers in front. |
| if (!SSL_CTX_set_cipher_list(ctx.get(), "CHACHA20:ALL")) { |
| 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; |
| } |
| memset(client_hello.data() + kRandomOffset, 0, SSL3_RANDOM_SIZE); |
| |
| if (client_hello.size() != expected_len || |
| 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, 0x3f, |
| 0x01, |
| 0x00, 0x00, 0x3b, |
| 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, 0x14, |
| 0xc0, 0x09, |
| 0xc0, 0x13, |
| 0x00, 0x33, |
| 0xc0, 0x0a, |
| 0xc0, 0x14, |
| 0x00, 0x39, |
| 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, 0x5e, |
| 0x01, |
| 0x00, 0x00, 0x5a, |
| 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, 0x12, |
| 0xc0, 0x09, |
| 0xc0, 0x13, |
| 0x00, 0x33, |
| 0xc0, 0x0a, |
| 0xc0, 0x14, |
| 0x00, 0x39, |
| 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, 0x5e, |
| 0x01, |
| 0x00, 0x00, 0x5a, |
| 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, 0x12, |
| 0xc0, 0x09, |
| 0xc0, 0x13, |
| 0x00, 0x33, |
| 0xc0, 0x0a, |
| 0xc0, 0x14, |
| 0x00, 0x39, |
| 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; |
| } |
| |
| static const uint8_t kTLS12ClientHello[] = { |
| 0x16, 0x03, 0x01, 0x00, 0xa2, 0x01, 0x00, 0x00, 0x9e, 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, 0x3a, 0xcc, 0xa9, |
| 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13, 0xc0, 0x2b, 0xc0, 0x2f, 0x00, 0x9e, |
| 0xc0, 0x2c, 0xc0, 0x30, 0x00, 0x9f, 0xc0, 0x09, 0xc0, 0x23, 0xc0, 0x13, |
| 0xc0, 0x27, 0x00, 0x33, 0x00, 0x67, 0xc0, 0x0a, 0xc0, 0x24, 0xc0, 0x14, |
| 0xc0, 0x28, 0x00, 0x39, 0x00, 0x6b, 0x00, 0x9c, 0x00, 0x9d, 0x00, 0x2f, |
| 0x00, 0x3c, 0x00, 0x35, 0x00, 0x3d, 0x00, 0x0a, 0x01, 0x00, 0x00, 0x3b, |
| 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x17, 0x00, 0x00, 0x00, 0x23, 0x00, |
| 0x00, 0x00, 0x0d, 0x00, 0x18, 0x00, 0x16, 0x07, 0x02, 0x06, 0x01, 0x06, |
| 0x03, 0x07, 0x01, 0x05, 0x01, 0x05, 0x03, 0x07, 0x00, 0x04, 0x01, 0x04, |
| 0x03, 0x02, 0x01, 0x02, 0x03, 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 bool TestSessionIDContext() { |
| 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}; |
| |
| for (uint16_t version : kVersions) { |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(TLS_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))) { |
| return false; |
| } |
| |
| SSL_CTX_set_min_version(client_ctx.get(), version); |
| SSL_CTX_set_max_version(client_ctx.get(), version); |
| SSL_CTX_set_session_cache_mode(client_ctx.get(), SSL_SESS_CACHE_BOTH); |
| |
| SSL_CTX_set_min_version(server_ctx.get(), version); |
| SSL_CTX_set_max_version(server_ctx.get(), version); |
| 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 (version = %04x).\n", version); |
| return false; |
| } |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| true /* expect session reused */)) { |
| fprintf(stderr, "Error resuming session (version = %04x).\n", version); |
| 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 connection with different context (version = %04x).\n", |
| version); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static timeval g_current_time; |
| |
| static void CurrentTimeCallback(const SSL *ssl, timeval *out_clock) { |
| *out_clock = g_current_time; |
| } |
| |
| static bool TestSessionTimeout() { |
| bssl::UniquePtr<X509> cert = GetTestCertificate(); |
| bssl::UniquePtr<EVP_PKEY> key = GetTestKey(); |
| if (!cert || !key) { |
| return false; |
| } |
| |
| for (uint16_t version : kVersions) { |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(TLS_method())); |
| if (!server_ctx || !client_ctx || |
| !SSL_CTX_use_certificate(server_ctx.get(), cert.get()) || |
| !SSL_CTX_use_PrivateKey(server_ctx.get(), key.get())) { |
| return false; |
| } |
| |
| SSL_CTX_set_min_version(client_ctx.get(), version); |
| SSL_CTX_set_max_version(client_ctx.get(), version); |
| SSL_CTX_set_session_cache_mode(client_ctx.get(), SSL_SESS_CACHE_BOTH); |
| |
| SSL_CTX_set_min_version(server_ctx.get(), version); |
| SSL_CTX_set_max_version(server_ctx.get(), version); |
| SSL_CTX_set_session_cache_mode(server_ctx.get(), SSL_SESS_CACHE_BOTH); |
| SSL_CTX_set_current_time_cb(server_ctx.get(), CurrentTimeCallback); |
| |
| bssl::UniquePtr<SSL_SESSION> session = |
| CreateClientSession(client_ctx.get(), server_ctx.get()); |
| if (!session) { |
| fprintf(stderr, "Error getting session (version = %04x).\n", version); |
| return false; |
| } |
| |
| // Advance the clock just behind the timeout. |
| g_current_time.tv_sec += SSL_DEFAULT_SESSION_TIMEOUT; |
| |
| if (!ExpectSessionReused(client_ctx.get(), server_ctx.get(), session.get(), |
| true /* expect session reused */)) { |
| fprintf(stderr, "Error resuming session (version = %04x).\n", version); |
| 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 (version = %04x).\n", version); |
| 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() { |
| 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; |
| } |
| |
| // At each version, test that switching the |SSL_CTX| at the SNI callback |
| // behaves correctly. |
| for (uint16_t version : kVersions) { |
| if (version == SSL3_VERSION) { |
| continue; |
| } |
| |
| static const uint16_t kECDSAWithSHA256 = SSL_SIGN_ECDSA_SECP256R1_SHA256; |
| |
| bssl::UniquePtr<SSL_CTX> server_ctx(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_CTX> server_ctx2(SSL_CTX_new(TLS_method())); |
| bssl::UniquePtr<SSL_CTX> client_ctx(SSL_CTX_new(TLS_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()) || |
| // 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)) { |
| return false; |
| } |
| |
| SSL_CTX_set_min_version(client_ctx.get(), version); |
| SSL_CTX_set_max_version(client_ctx.get(), version); |
| SSL_CTX_set_min_version(server_ctx.get(), version); |
| SSL_CTX_set_max_version(server_ctx.get(), version); |
| SSL_CTX_set_min_version(server_ctx2.get(), version); |
| SSL_CTX_set_max_version(server_ctx2.get(), version); |
| |
| SSL_CTX_set_tlsext_servername_callback(server_ctx.get(), SwitchContext); |
| SSL_CTX_set_tlsext_servername_arg(server_ctx.get(), server_ctx2.get()); |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), nullptr)) { |
| fprintf(stderr, "Handshake failed at version %04x.\n", version); |
| 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 at version %04x.\n", |
| version); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static int SetMaxVersion(const struct ssl_early_callback_ctx *ctx) { |
| SSL_set_max_version(ctx->ssl, TLS1_2_VERSION); |
| return 1; |
| } |
| |
| // TestEarlyCallbackVersionSwitch tests that the early callback can swap the |
| // maximum version. |
| static bool TestEarlyCallbackVersionSwitch() { |
| 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())); |
| 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())) { |
| return false; |
| } |
| |
| SSL_CTX_set_max_version(client_ctx.get(), TLS1_3_VERSION); |
| SSL_CTX_set_max_version(server_ctx.get(), TLS1_3_VERSION); |
| |
| SSL_CTX_set_select_certificate_cb(server_ctx.get(), SetMaxVersion); |
| |
| bssl::UniquePtr<SSL> client, server; |
| if (!ConnectClientAndServer(&client, &server, client_ctx.get(), |
| server_ctx.get(), nullptr)) { |
| return false; |
| } |
| |
| if (SSL_version(client.get()) != TLS1_2_VERSION) { |
| fprintf(stderr, "Early callback failed to switch the maximum version.\n"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| int main() { |
| CRYPTO_library_init(); |
| |
| if (!TestCipherRules() || |
| !TestSSL_SESSIONEncoding(kOpenSSLSession) || |
| !TestSSL_SESSIONEncoding(kCustomSession) || |
| !TestSSL_SESSIONEncoding(kBoringSSLSession) || |
| !TestBadSSL_SESSIONEncoding(kBadSessionExtraField) || |
| !TestBadSSL_SESSIONEncoding(kBadSessionVersion) || |
| !TestBadSSL_SESSIONEncoding(kBadSessionTrailingData) || |
| // TODO(svaldez): Update this when TLS 1.3 is enabled by default. |
| !TestDefaultVersion(SSL3_VERSION, TLS1_2_VERSION, &TLS_method) || |
| !TestDefaultVersion(SSL3_VERSION, SSL3_VERSION, &SSLv3_method) || |
| !TestDefaultVersion(TLS1_VERSION, TLS1_VERSION, &TLSv1_method) || |
| !TestDefaultVersion(TLS1_1_VERSION, TLS1_1_VERSION, &TLSv1_1_method) || |
| !TestDefaultVersion(TLS1_2_VERSION, TLS1_2_VERSION, &TLSv1_2_method) || |
| !TestDefaultVersion(TLS1_1_VERSION, TLS1_2_VERSION, &DTLS_method) || |
| !TestDefaultVersion(TLS1_1_VERSION, TLS1_1_VERSION, &DTLSv1_method) || |
| !TestDefaultVersion(TLS1_2_VERSION, TLS1_2_VERSION, &DTLSv1_2_method) || |
| !TestCipherGetRFCName() || |
| !TestPaddingExtension() || |
| !TestClientCAList() || |
| !TestInternalSessionCache() || |
| !TestSequenceNumber(false /* TLS */) || |
| !TestSequenceNumber(true /* DTLS */) || |
| !TestOneSidedShutdown() || |
| !TestSessionDuplication() || |
| !TestSetFD() || |
| !TestSetBIO() || |
| !TestGetPeerCertificate() || |
| !TestRetainOnlySHA256OfCerts() || |
| !TestClientHello() || |
| !TestSessionIDContext() || |
| !TestSessionTimeout() || |
| !TestSNICallback() || |
| !TestEarlyCallbackVersionSwitch()) { |
| ERR_print_errors_fp(stderr); |
| return 1; |
| } |
| |
| printf("PASS\n"); |
| return 0; |
| } |