diff options
Diffstat (limited to 'comm/third_party/botan/src/fuzzer/tls_server.cpp')
| -rw-r--r-- | comm/third_party/botan/src/fuzzer/tls_server.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/fuzzer/tls_server.cpp b/comm/third_party/botan/src/fuzzer/tls_server.cpp new file mode 100644 index 0000000000..d45ff5f5ce --- /dev/null +++ b/comm/third_party/botan/src/fuzzer/tls_server.cpp @@ -0,0 +1,227 @@ +/* +* (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_Policy : public Botan::TLS::Policy + { + public: + std::vector<uint16_t> ciphersuite_list(Botan::TLS::Protocol_Version version, + bool have_srp) const + { + std::vector<uint16_t> ciphersuites; + + for(auto&& suite : Botan::TLS::Ciphersuite::all_known_ciphersuites()) + { + if(suite.valid() == false) + continue; + + // Are we doing SRP? + if(!have_srp && suite.kex_method() == Botan::TLS::Kex_Algo::SRP_SHA) + continue; + + if(!version.supports_aead_modes()) + { + // Are we doing AEAD in a non-AEAD version? + if(suite.mac_algo() == "AEAD") + continue; + + // Older (v1.0/v1.1) versions also do not support any hash but SHA-1 + if(suite.mac_algo() != "SHA-1") + continue; + } + + ciphersuites.push_back(suite.ciphersuite_code()); + } + + return ciphersuites; + } + }; + +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; + Fuzzer_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) + { + } + } |