5111374265

Committed 29 May 2023 11:19AM UTC coverage: 92.227% (+0.5%) from 91.723%

Build # 5111374265

Build Type

push

github

Committed by

randombit

Commit Message

Next release will be 3.1.0. Update release notes

Run Details

75588 of 81959 relevant lines covered (92.23%)

11886470.91 hits per line

Source File
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62.5

/src/fuzzer/tls_client.cpp

/*
* (C) 2015,2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "fuzzers.h"

#include <botan/tls_client.h>
#include <botan/tls_session_manager_noop.h>

class Fuzzer_TLS_Client_Creds : public Botan::Credentials_Manager {
   public:
      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");
      }
};

class Fuzzer_TLS_Policy : public Botan::TLS::Policy {
   public:
      std::vector<uint16_t> ciphersuite_list(Botan::TLS::Protocol_Version) const override {
         std::vector<uint16_t> ciphersuites;

         for(auto&& suite : Botan::TLS::Ciphersuite::all_known_ciphersuites()) {
            if(suite.valid() == false)
               ciphersuites.push_back(suite.ciphersuite_code());
         }

         return ciphersuites;
      }
};

class Fuzzer_TLS_Client_Callbacks : public Botan::TLS::Callbacks {
   public:
      void tls_emit_data(std::span<const uint8_t>) override {
         // discard
      }

      void tls_record_received(uint64_t, std::span<const uint8_t>) override {
         // ignore peer data
      }

      void tls_alert(Botan::TLS::Alert) override {
         // ignore alert
      }

      void tls_verify_cert_chain(const std::vector<Botan::X509_Certificate>& cert_chain,
                                 const std::vector<std::optional<Botan::OCSP::Response>>& ocsp_responses,
                                 const std::vector<Botan::Certificate_Store*>& trusted_roots,
                                 Botan::Usage_Type usage,
                                 std::string_view 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 == 0)
      return;

   auto session_manager = std::make_shared<Botan::TLS::Session_Manager_Noop>();
   auto policy = std::make_shared<Fuzzer_TLS_Policy>();
   Botan::TLS::Protocol_Version client_offer = Botan::TLS::Protocol_Version::TLS_V12;
   Botan::TLS::Server_Information info("server.name", 443);
   auto callbacks = std::make_shared<Fuzzer_TLS_Client_Callbacks>();
   auto creds = std::make_shared<Fuzzer_TLS_Client_Creds>();

   Botan::TLS::Client client(callbacks, session_manager, creds, policy, fuzzer_rng_as_shared(), info, client_offer);

   try {
      client.received_data(in, len);
   } catch(std::exception& e) {}
}

1	/*
2	* (C) 2015,2016 Jack Lloyd
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include "fuzzers.h"
8
9	#include <botan/tls_client.h>
10	#include <botan/tls_session_manager_noop.h>
11
12	class Fuzzer_TLS_Client_Creds : public Botan::Credentials_Manager {	1,962✔
13	public:
14	std::string psk_identity_hint(const std::string&, const std::string&) override { return "psk_hint"; }	×
15
16	std::string psk_identity(const std::string&, const std::string&, const std::string&) override { return "psk_id"; }	×
17
18	Botan::SymmetricKey psk(const std::string&, const std::string&, const std::string&) override {	×
19	return Botan::SymmetricKey("AABBCCDDEEFF00112233445566778899");	×
20	}
21	};
22
23	class Fuzzer_TLS_Policy : public Botan::TLS::Policy {	1,962✔
24	public:
25	std::vector<uint16_t> ciphersuite_list(Botan::TLS::Protocol_Version) const override {	1,962✔
26	std::vector<uint16_t> ciphersuites;	1,962✔
27
28	for(auto&& suite : Botan::TLS::Ciphersuite::all_known_ciphersuites()) {	186,390✔
29	if(suite.valid() == false)	184,428✔
30	ciphersuites.push_back(suite.ciphersuite_code());	×
31	}
32
33	return ciphersuites;	1,962✔
34	}	×
35	};
36
37	class Fuzzer_TLS_Client_Callbacks : public Botan::TLS::Callbacks {	1,962✔
38	public:
39	void tls_emit_data(std::span<const uint8_t>) override {	3,918✔
40	// discard
41	}	3,918✔
42
43	void tls_record_received(uint64_t, std::span<const uint8_t>) override {	×
44	// ignore peer data
45	}	×
46
47	void tls_alert(Botan::TLS::Alert) override {	4✔
48	// ignore alert
49	}	4✔
50
51	void tls_verify_cert_chain(const std::vector<Botan::X509_Certificate>& cert_chain,	×
52	const std::vector<std::optional<Botan::OCSP::Response>>& ocsp_responses,
53	const std::vector<Botan::Certificate_Store*>& trusted_roots,
54	Botan::Usage_Type usage,
55	std::string_view hostname,
56	const Botan::TLS::Policy& policy) override {
57	try {	×
58	// try to validate to exercise those code paths
59	Botan::TLS::Callbacks::tls_verify_cert_chain(	×
60	cert_chain, ocsp_responses, trusted_roots, usage, hostname, policy);
61	} catch(...) {	×
62	// ignore validation result
63	}	×
64	}	×
65	};
66
67	void fuzz(const uint8_t in[], size_t len) {	1,962✔
68	if(len == 0)	1,962✔
69	return;	×
70
71	auto session_manager = std::make_shared<Botan::TLS::Session_Manager_Noop>();	1,962✔
72	auto policy = std::make_shared<Fuzzer_TLS_Policy>();	1,962✔
73	Botan::TLS::Protocol_Version client_offer = Botan::TLS::Protocol_Version::TLS_V12;	1,962✔
74	Botan::TLS::Server_Information info("server.name", 443);	1,962✔
75	auto callbacks = std::make_shared<Fuzzer_TLS_Client_Callbacks>();	1,962✔
76	auto creds = std::make_shared<Fuzzer_TLS_Client_Creds>();	1,962✔
77
78	Botan::TLS::Client client(callbacks, session_manager, creds, policy, fuzzer_rng_as_shared(), info, client_offer);	13,734✔
79
80	try {	1,962✔
81	client.received_data(in, len);	1,962✔
82	} catch(std::exception& e) {}	1,956✔
83	}	9,810✔

randombit / botan / 5111374265

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