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boringssl/ssl/ssl_test.cc
David Benjamin f715c42322 Make SSL_set_bio's ownership easier to reason about. 
SSL_set_bio has some rather complex ownership story because whether rbio/wbio
are both owning depends on whether they are equal. Moreover, whether
SSL_set_bio(ssl, rbio, wbio) frees ssl->rbio depends on whether rbio is the
existing rbio or not. The current logic doesn't even get it right; see tests.

Simplify this. First, rbio and wbio are always owning. All the weird ownership
cases which we're stuck with for compatibility will live in SSL_set_bio. It
will internally BIO_up_ref if necessary and appropriately no-op the left or
right side as needed. It will then call more well-behaved ssl_set_rbio or
ssl_set_wbio functions as necessary.

Change-Id: I6b4b34e23ed01561a8c0aead8bb905363ee413bb
Reviewed-on: https://boringssl-review.googlesource.com/8240
Reviewed-by: Adam Langley <agl@google.com>
2016-06-14 19:40:25 +00:00

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/* 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/ssl.h>
#include <openssl/x509.h>
#include "test/scoped_types.h"
#include "../crypto/test/test_util.h"
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,RC4} x SHA1.
"!kEDH:!AESGCM:!3DES:!SHA256:!MD5:!SHA384:"
// Order some ciphers backwards by strength.
"ALL:-CHACHA20:-AES256:-AES128:-RC4:-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_RC4_128_SHA, 0},
{TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, 0},
{SSL3_CK_RSA_RC4_128_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",
"MEDIUM",
"HIGH",
"FIPS",
"SHA",
"SHA1",
"RSA",
"SSLv3",
"TLSv1",
"TLSv1.2",
};
static const char *kMustNotIncludeCECPQ1[] = {
"ALL",
"DEFAULT",
"MEDIUM",
"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) {
ScopedSSL_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) {
ScopedSSL_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) {
ScopedSSL_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) {
ScopedSSL_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"
"KoZIhvcNAQELBQAwSTELMAkGA1UEBhMCVVMxEzARBgNVBAoTCkdvb2dsZSBJbmMx"
"JTAjBgNVBAMTHEdvb2dsZSBJbnRlcm5ldCBBdXRob3JpdHkgRzIwHhcNMTUwODEy"
"MTQ1MzE1WhcNMTUxMTEwMDAwMDAwWjBoMQswCQYDVQQGEwJVUzETMBEGA1UECAwK"
"Q2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzETMBEGA1UECgwKR29v"
"Z2xlIEluYzEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEB"
"AQUAA4IBDwAwggEKAoIBAQC0MeG5YGQ0t+IeJeoneP/PrhEaieibeKYkbKVLNZpo"
"PLuBinvhkXZo3DC133NpCBpy6ZktBwamqyixAyuk/NU6OjgXqwwxfQ7di1AInLIU"
"792c7hFyNXSUCG7At8Ifi3YwBX9Ba6u/1d6rWTGZJrdCq3QU11RkKYyTq2KT5mce"
"Tv9iGKqSkSTlp8puy/9SZ/3DbU3U+BuqCFqeSlz7zjwFmk35acdCilpJlVDDN5C/"
"RCh8/UKc8PaL+cxlt531qoTENvYrflBno14YEZlCBZsPiFeUSILpKEj3Ccwhy0eL"
"EucWQ72YZU8mUzXBoXGn0zA0crFl5ci/2sTBBGZsylNBAgMBAAGjggFBMIIBPTAd"
"BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwGQYDVR0RBBIwEIIOd3d3Lmdv"
"b2dsZS5jb20waAYIKwYBBQUHAQEEXDBaMCsGCCsGAQUFBzAChh9odHRwOi8vcGtp"
"Lmdvb2dsZS5jb20vR0lBRzIuY3J0MCsGCCsGAQUFBzABhh9odHRwOi8vY2xpZW50"
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// 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.
ScopedSSL_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;
ScopedOpenSSLBytes 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.
ScopedSSL_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 version,
const SSL_METHOD *(*method)(void)) {
ScopedSSL_CTX ctx(SSL_CTX_new(method()));
if (!ctx) {
return false;
}
// TODO(svaldez): Remove TLS1_2_VERSION fallback upon implementing TLS 1.3.
return ctx->min_version == version &&
(ctx->max_version == version ||
(version == 0 && ctx->max_version == TLS1_2_VERSION));
}
static bool CipherGetRFCName(std::string *out, uint16_t value) {
const SSL_CIPHER *cipher = SSL_get_cipher_by_value(value);
if (cipher == NULL) {
return false;
}
ScopedOpenSSLString 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" },
{ SSL3_CK_RSA_RC4_128_MD5, "TLS_RSA_WITH_RC4_MD5" },
{ 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_PSK_WITH_RC4_128_SHA, "TLS_PSK_WITH_RC4_SHA" },
{ 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 < sizeof(kCipherRFCNameTests) / sizeof(kCipherRFCNameTests[0]); 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 ScopedSSL_SESSION CreateSessionWithTicket(size_t ticket_len) {
std::vector<uint8_t> der;
if (!DecodeBase64(&der, kOpenSSLSession)) {
return nullptr;
}
ScopedSSL_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;
}
// 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) {
ScopedSSL_CTX ctx(SSL_CTX_new(TLS_method()));
ScopedSSL_SESSION session = CreateSessionWithTicket(ticket_len);
if (!ctx || !session) {
return 0;
}
ScopedSSL ssl(SSL_new(ctx.get()));
ScopedBIO bio(BIO_new(BIO_s_mem()));
if (!ssl || !bio || !SSL_set_session(ssl.get(), session.get())) {
return 0;
}
// Do not configure a reading BIO, but record what's written to a memory BIO.
SSL_set_bio(ssl.get(), nullptr /* rbio */, BIO_up_ref(bio.get()));
int ret = SSL_connect(ssl.get());
if (ret > 0) {
// SSL_connect should fail without a BIO to write to.
return 0;
}
ERR_clear_error();
const uint8_t *unused;
size_t client_hello_len;
if (!BIO_mem_contents(bio.get(), &unused, &client_hello_len) ||
client_hello_len <= SSL3_RT_HEADER_LENGTH) {
return 0;
}
return client_hello_len - 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() {
ScopedSSL_CTX ctx(SSL_CTX_new(TLS_method()));
if (!ctx) {
return false;
}
ScopedSSL 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 ScopedSSL_SESSION CreateTestSession(uint32_t number) {
ScopedSSL_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() {
ScopedSSL_CTX ctx(SSL_CTX_new(TLS_method()));
if (!ctx) {
return false;
}
// Prepare 10 test sessions.
std::vector<ScopedSSL_SESSION> sessions;
for (int i = 0; i < 10; i++) {
ScopedSSL_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.
ScopedSSL_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 ScopedX509 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";
ScopedBIO bio(BIO_new_mem_buf(kCertPEM, strlen(kCertPEM)));
return ScopedX509(PEM_read_bio_X509(bio.get(), nullptr, nullptr, nullptr));
}
static ScopedEVP_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";
ScopedBIO bio(BIO_new_mem_buf(kKeyPEM, strlen(kKeyPEM)));
return ScopedEVP_PKEY(
PEM_read_bio_PrivateKey(bio.get(), nullptr, nullptr, nullptr));
}
static bool ConnectClientAndServer(ScopedSSL *out_client, ScopedSSL *out_server,
SSL_CTX *client_ctx, SSL_CTX *server_ctx) {
ScopedSSL 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());
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) {
ScopedSSL_CTX client_ctx(SSL_CTX_new(dtls ? DTLS_method() : TLS_method()));
ScopedSSL_CTX server_ctx(SSL_CTX_new(dtls ? DTLS_method() : TLS_method()));
if (!client_ctx || !server_ctx) {
return false;
}
ScopedX509 cert = GetTestCertificate();
ScopedEVP_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;
}
ScopedSSL client, server;
if (!ConnectClientAndServer(&client, &server, client_ctx.get(),
server_ctx.get())) {
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() {
ScopedSSL_CTX client_ctx(SSL_CTX_new(TLS_method()));
ScopedSSL_CTX server_ctx(SSL_CTX_new(TLS_method()));
if (!client_ctx || !server_ctx) {
return false;
}
ScopedX509 cert = GetTestCertificate();
ScopedEVP_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;
}
ScopedSSL client, server;
if (!ConnectClientAndServer(&client, &server, client_ctx.get(),
server_ctx.get())) {
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 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() {
ScopedSSL_CTX ctx(SSL_CTX_new(TLS_method()));
if (!ctx) {
return false;
}
// Test setting different read and write FDs.
ScopedSSL 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;
}
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) ||
!TestDefaultVersion(0, &TLS_method) ||
!TestDefaultVersion(SSL3_VERSION, &SSLv3_method) ||
!TestDefaultVersion(TLS1_VERSION, &TLSv1_method) ||
!TestDefaultVersion(TLS1_1_VERSION, &TLSv1_1_method) ||
!TestDefaultVersion(TLS1_2_VERSION, &TLSv1_2_method) ||
!TestDefaultVersion(0, &DTLS_method) ||
!TestDefaultVersion(DTLS1_VERSION, &DTLSv1_method) ||
!TestDefaultVersion(DTLS1_2_VERSION, &DTLSv1_2_method) ||
!TestCipherGetRFCName() ||
!TestPaddingExtension() ||
!TestClientCAList() ||
!TestInternalSessionCache() ||
!TestSequenceNumber(false /* TLS */) ||
!TestSequenceNumber(true /* DTLS */) ||
!TestOneSidedShutdown() ||
!TestSetFD()) {
ERR_print_errors_fp(stderr);
return 1;
}
printf("PASS\n");
return 0;
}
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