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/*
* (C) 2015,2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "fuzzers.h"
#include <botan/tls_server.h>
#include <botan/data_src.h>
const char* fixed_rsa_key =
"-----BEGIN PRIVATE KEY-----\n"
"MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCe6qqpMQVJ7zCJ\n"
"oSnpxia0yO6M7Ie3FGqPcd0DzueC+kWPvuHQ+PpP5vfO6qqRaDVII37PFX5NUZQm\n"
"GK/rAm7spjIHTCMgqSZ8pN13LU8m1gDwIdu9al16LXN9zZjB67uLlFn2trtLi234\n"
"i0cnyeF8IC0cz7tgCOzMSVEBcqJjkdgGrZ3WUgOXecVm2lXVrYlEiaSxFp4VOE9k\n"
"RFeVrELCjmNtc4hRd1yJsF+vObCtvyqGYQE1Qcb0MVSQDBHMkiUVmO6zuW7td5ef\n"
"O/1OyntQJGyVa+SnWbkSLCybta2J7MreHENrF5GA0K1KL140SNRHeWifRMuNQua7\n"
"qmKXMBTFAgMBAAECggEAIk3fxyQI0zvpy1vZ01ft1QqmzA7nAPNMSWi33/GS8iga\n"
"SfxXfKeySPs/tQ/dAARxs//NiOBH4mLgyxR7LQzaawU5OXALCSraXv+ruuUx990s\n"
"WKnGaG4EfbJAAwEVn47Gbkv425P4fEc91vAhzQn8PbIoatbAyOtESpjs/pYDTeC/\n"
"mnJId8gqO90cqyRECEMjk9sQ8iEjWPlik4ayGlUVbeeMu6/pJ9F8IZEgkLZiNDAB\n"
"4anmOFaT7EmqUjI4IlcaqfbbXyDXlvWUYukidEss+CNvPuqbQHBDnpFVvBxdDR2N\n"
"Uj2D5Xd5blcIe2/+1IVRnznjoQ5zvutzb7ThBmMehQKBgQDOITKG0ht2kXLxjVoR\n"
"r/pVpx+f3hs3H7wE0+vrLHoQgkVjpMWXQ47YuZTT9rCOOYNI2cMoH2D27t1j78/B\n"
"9kGYABUVpvQQ+6amqJDI1eYI6e68TPueEDjeALfSCdmPNiI3lZZrCIK9XLpkoy8K\n"
"tGYBRRJ+JJxjj1zPXj9SGshPgwKBgQDFXUtoxY3mCStH3+0b1qxGG9r1L5goHEmd\n"
"Am8WBYDheNpL0VqPNzouhuM/ZWMGyyAs/py6aLATe+qhR1uX5vn7LVZwjCSONZ4j\n"
"7ieEEUh1BHetPI1oI5PxgokRYfVuckotqVseanI/536Er3Yf2FXNQ1/ceVp9WykX\n"
"3mYTKMhQFwKBgQDKakcXpZNaZ5IcKdZcsBZ/rdGcR5sqEnursf9lvRNQytwg8Vkn\n"
"JSxNHlBLpV/TCh8lltHRwJ6TXhUBYij+KzhWbx5FWOErHDOWTMmArqtp7W6GcoJT\n"
"wVJWjxXzp8CApYQMWVSQXpckJL7UvHohZO0WKiHyxTjde5aD++TqV2qEyQKBgBbD\n"
"jvoTpy08K4DLxCZs2Uvw1I1pIuylbpwsdrGciuP2s38BM6fHH+/T4Qwj3osfDKQD\n"
"7gHWJ1Dn/wUBHQBlRLoC3bB3iZPZfVb5lhc2gxv0GvWhQVIcoGi/vJ2DpfJKPmIL\n"
"4ZWdg3X5dm9JaZ98rVDSj5D3ckd5J0E4hp95GbmbAoGBAJJHM4O9lx60tIjw9Sf/\n"
"QmKWyUk0NLnt8DcgRMW7fVxtzPNDy9DBKGIkDdWZ2s+ForICA3C9WSxBC1EOEHGG\n"
"xkg2xKt66CeutGroP6M191mHQrRClt1VbEYzQFX21BCk5kig9i/BURyoTHtFiV+t\n"
"kbf4VLg8Vk9u/R3RU1HsYWhe\n"
"-----END PRIVATE KEY-----\n";
const char* fixed_rsa_cert =
"-----BEGIN CERTIFICATE-----\n"
"MIIDUDCCAjgCCQD7pIb1ZsoafjANBgkqhkiG9w0BAQsFADBqMQswCQYDVQQGEwJW\n"
"VDEQMA4GA1UECAwHVmVybW9udDEWMBQGA1UEBwwNVGhlIEludGVybmV0czEUMBIG\n"
"A1UECgwLTWFuZ29zIFIgVXMxGzAZBgNVBAMMEnNlcnZlci5leGFtcGxlLmNvbTAe\n"
"Fw0xNjAxMDYxNzQ3MjNaFw0yNjAxMDMxNzQ3MjNaMGoxCzAJBgNVBAYTAlZUMRAw\n"
"DgYDVQQIDAdWZXJtb250MRYwFAYDVQQHDA1UaGUgSW50ZXJuZXRzMRQwEgYDVQQK\n"
"DAtNYW5nb3MgUiBVczEbMBkGA1UEAwwSc2VydmVyLmV4YW1wbGUuY29tMIIBIjAN\n"
"BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnuqqqTEFSe8wiaEp6cYmtMjujOyH\n"
"txRqj3HdA87ngvpFj77h0Pj6T+b3zuqqkWg1SCN+zxV+TVGUJhiv6wJu7KYyB0wj\n"
"IKkmfKTddy1PJtYA8CHbvWpdei1zfc2Yweu7i5RZ9ra7S4tt+ItHJ8nhfCAtHM+7\n"
"YAjszElRAXKiY5HYBq2d1lIDl3nFZtpV1a2JRImksRaeFThPZERXlaxCwo5jbXOI\n"
"UXdcibBfrzmwrb8qhmEBNUHG9DFUkAwRzJIlFZjus7lu7XeXnzv9Tsp7UCRslWvk\n"
"p1m5Eiwsm7WtiezK3hxDaxeRgNCtSi9eNEjUR3lon0TLjULmu6pilzAUxQIDAQAB\n"
"MA0GCSqGSIb3DQEBCwUAA4IBAQA1eZGc/4V7z/E/6eG0hVkzoAZeuTcSP7WqBSx+\n"
"OP2yh0163UYjoa6nehmkKYQQ9PbYPZGzIcl+dBFyYzy6jcp0NdtzpWnTFrjl4rMq\n"
"akcQ1D0LTYjJXVP9G/vF/SvatOFeVTnQmLlLt/a8ZtRUINqejeZZPzH8ifzFW6tu\n"
"mlhTVIEKyPHpxClh5Y3ubw/mZYygekFTqMkTx3FwJxKU8J6rYGZxanWAODUIvCUo\n"
"Fxer1qC5Love3uWl3vXPLEZWZdORnExSRByzz2immBP2vX4zYZoeZRhTQ9ae1TIV\n"
"Dk02a/1AOJZdZReDbgXhlqaUx5pk/rzo4mDzvu5HSCeXmClz\n"
"-----END CERTIFICATE-----\n";
class Fuzzer_TLS_Server_Creds : public Botan::Credentials_Manager
{
public:
Fuzzer_TLS_Server_Creds()
{
Botan::DataSource_Memory cert_in(fixed_rsa_cert);
Botan::DataSource_Memory key_in(fixed_rsa_key);
m_rsa_cert.reset(new Botan::X509_Certificate(cert_in));
//m_rsa_key.reset(Botan::PKCS8::load_key(key_in, fuzzer_rng());
}
std::vector<Botan::X509_Certificate> cert_chain(
const std::vector<std::string>& algos,
const std::string& /*type*/,
const std::string& /*hostname*/) override
{
std::vector<Botan::X509_Certificate> v;
for(auto algo : algos)
{
if(algo == "RSA")
{
v.push_back(*m_rsa_cert);
break;
}
}
return v;
}
Botan::Private_Key* private_key_for(const Botan::X509_Certificate& /*cert*/,
const std::string& /*type*/,
const std::string& /*context*/) override
{
return m_rsa_key.get();
}
std::string psk_identity_hint(const std::string&, const std::string&) override { return "psk_hint"; }
std::string psk_identity(const std::string&, const std::string&, const std::string&) override { return "psk_id"; }
Botan::SymmetricKey psk(const std::string&, const std::string&, const std::string&) override
{
return Botan::SymmetricKey("AABBCCDDEEFF00112233445566778899");
}
private:
std::unique_ptr<Botan::X509_Certificate> m_rsa_cert;
std::unique_ptr<Botan::Private_Key> m_rsa_key;
};
class Fuzzer_TLS_Server_Callbacks : public Botan::TLS::Callbacks
{
public:
void tls_emit_data(const uint8_t[], size_t) override
{
// discard
}
void tls_record_received(uint64_t, const uint8_t[], size_t) override
{
// ignore peer data
}
void tls_alert(Botan::TLS::Alert) override
{
// ignore alert
}
bool tls_session_established(const Botan::TLS::Session&) override
{
return true; // cache it
}
std::string tls_server_choose_app_protocol(const std::vector<std::string>& client_protos) override
{
if(client_protos.size() > 1)
return client_protos[0];
else
return "fuzzy";
}
void tls_verify_cert_chain(
const std::vector<Botan::X509_Certificate>& cert_chain,
const std::vector<std::shared_ptr<const Botan::OCSP::Response>>& ocsp_responses,
const std::vector<Botan::Certificate_Store*>& trusted_roots,
Botan::Usage_Type usage,
const std::string& hostname,
const Botan::TLS::Policy& policy) override
{
try
{
// try to validate to exercise those code paths
Botan::TLS::Callbacks::tls_verify_cert_chain(cert_chain, ocsp_responses,
trusted_roots, usage, hostname, policy);
}
catch(...)
{
// ignore validation result
}
}
};
void fuzz(const uint8_t in[], size_t len)
{
if(len <= 1)
return;
Botan::TLS::Session_Manager_Noop session_manager;
Botan::TLS::Policy policy;
Botan::TLS::Server_Information info("server.name", 443);
Fuzzer_TLS_Server_Creds creds;
Fuzzer_TLS_Server_Callbacks callbacks;
const bool is_datagram = in[0] & 1;
Botan::TLS::Server server(callbacks,
session_manager,
creds,
policy,
fuzzer_rng(),
is_datagram);
try
{
server.received_data(in + 1, len - 1);
}
catch(std::exception& e)
{
}
}
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