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boringssl/ssl/ssl_test.cc
David Benjamin b6a0a518a3 Simplify version configuration. 
OpenSSL's SSL_OP_NO_* flags allow discontinuous version ranges. This is a
nuisance for two reasons. First it makes it unnecessarily difficult to answer
"are any versions below TLS 1.3 enabled?". Second the protocol does not allow
discontinuous version ranges on the client anyway. OpenSSL instead picks the
first continous range of enabled versions on the client, but not the server.

This is bizarrely inconsistent. It also doesn't quite do this as the
ClientHello sending logic does this, but not the ServerHello processing logic.
So we actually break some invariants slightly. The logic is also cumbersome in
DTLS which kindly inverts the comparison logic.

First, switch min_version/max_version's storage to normalized versions. Next
replace all the ad-hoc version-related functions with a single
ssl_get_version_range function. Client and server now consistently pick a
contiguous range of versions. Note this is a slight behavior change for
servers. Version-range-sensitive logic is rewritten to use this new function.

BUG=66

Change-Id: Iad0d64f2b7a917603fc7da54c9fc6656c5fbdb24
Reviewed-on: https://boringssl-review.googlesource.com/8513
Reviewed-by: David Benjamin <davidben@google.com>
2016-06-30 21:56:01 +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"
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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 min_version, uint16_t max_version,
const SSL_METHOD *(*method)(void)) {
ScopedSSL_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;
}
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) ||
// 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() ||
!TestSetFD()) {
ERR_print_errors_fp(stderr);
return 1;
}
printf("PASS\n");
return 0;
}
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