20304984263

Committed 17 Dec 2025 01:46PM UTC coverage: 90.528% (+0.2%) from 90.358%

Build # 20304984263

Build Type

Pull #5167

github

Committed by

web-flow

Commit Message

Merge fc6e5fe09 into 3d96b675e

Pull Request Pull Request #5167: Changes to reduce unnecessary inclusions

Run Details

101179 of 111766 relevant lines covered (90.53%)

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79.59

/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/hex.h>
#include <botan/tls_callbacks.h>
#include <botan/tls_client.h>
#include <botan/tls_policy.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::secure_vector<uint8_t> session_ticket_key() override {
         return Botan::hex_decode_locked("AABBCCDDEEFF00112233445566778899");
      }

      Botan::secure_vector<uint8_t> dtls_cookie_secret() override {
         return Botan::hex_decode_locked("AABBCCDDEEFF00112233445566778899");
      }

      std::vector<Botan::TLS::ExternalPSK> find_preshared_keys(
         std::string_view host,
         Botan::TLS::Connection_Side whoami,
         const std::vector<std::string>& identities = {},
         const std::optional<std::string>& prf = std::nullopt) override {
         if(!identities.empty() && std::find(identities.begin(), identities.end(), "psk_id") == identities.end()) {
            return Botan::Credentials_Manager::find_preshared_keys(host, whoami, identities, prf);
         }

         std::vector<Botan::TLS::ExternalPSK> psks;
         psks.emplace_back("psk_id", "SHA-256", Botan::hex_decode_locked("AABBCCDDEEFF00112233445566778899"));
         return psks;
      }
};

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()) {
               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(std::span<const uint8_t> in) {
   if(in.empty()) {
      return;
   }

   auto session_manager = std::make_shared<Botan::TLS::Session_Manager_Noop>();
   auto policy = std::make_shared<Fuzzer_TLS_Policy>();
   const Botan::TLS::Protocol_Version client_offer = Botan::TLS::Protocol_Version::TLS_V12;
   const 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);
   } 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/hex.h>
10	#include <botan/tls_callbacks.h>
11	#include <botan/tls_client.h>
12	#include <botan/tls_policy.h>
13	#include <botan/tls_session_manager_noop.h>
14
15	class Fuzzer_TLS_Client_Creds : public Botan::Credentials_Manager {	1,962✔
16	public:
17	std::string psk_identity_hint(const std::string&, const std::string&) override { return "psk_hint"; }	×
18
19	std::string psk_identity(const std::string&, const std::string&, const std::string&) override { return "psk_id"; }	1✔
20
21	Botan::secure_vector<uint8_t> session_ticket_key() override {	×
22	return Botan::hex_decode_locked("AABBCCDDEEFF00112233445566778899");	×
23	}
24
25	Botan::secure_vector<uint8_t> dtls_cookie_secret() override {	×
26	return Botan::hex_decode_locked("AABBCCDDEEFF00112233445566778899");	×
27	}
28
29	std::vector<Botan::TLS::ExternalPSK> find_preshared_keys(	1✔
30	std::string_view host,
31	Botan::TLS::Connection_Side whoami,
32	const std::vector<std::string>& identities = {},
33	const std::optional<std::string>& prf = std::nullopt) override {
34	if(!identities.empty() && std::find(identities.begin(), identities.end(), "psk_id") == identities.end()) {	1✔
35	return Botan::Credentials_Manager::find_preshared_keys(host, whoami, identities, prf);	×
36	}
37
38	std::vector<Botan::TLS::ExternalPSK> psks;	1✔
39	psks.emplace_back("psk_id", "SHA-256", Botan::hex_decode_locked("AABBCCDDEEFF00112233445566778899"));	1✔
40	return psks;	1✔
41	}	1✔
42	};
43
44	class Fuzzer_TLS_Policy : public Botan::TLS::Policy {	1,962✔
45	public:
46	std::vector<uint16_t> ciphersuite_list(Botan::TLS::Protocol_Version) const override {	1,962✔
47	std::vector<uint16_t> ciphersuites;	1,962✔
48
49	for(auto&& suite : Botan::TLS::Ciphersuite::all_known_ciphersuites()) {	202,086✔
50	if(suite.valid()) {	200,124✔
51	ciphersuites.push_back(suite.ciphersuite_code());	200,124✔
52	}
53	}
54
55	return ciphersuites;	1,962✔
56	}	×
57	};
58
59	class Fuzzer_TLS_Client_Callbacks : public Botan::TLS::Callbacks {	1,962✔
60	public:
61	void tls_emit_data(std::span<const uint8_t>) override {	3,981✔
62	// discard
63	}	3,981✔
64
65	void tls_record_received(uint64_t, std::span<const uint8_t>) override {	×
66	// ignore peer data
67	}	×
68
69	void tls_alert(Botan::TLS::Alert) override {	4✔
70	// ignore alert
71	}	4✔
72
73	void tls_verify_cert_chain(const std::vector<Botan::X509_Certificate>& cert_chain,	258✔
74	const std::vector<std::optional<Botan::OCSP::Response>>& ocsp_responses,
75	const std::vector<Botan::Certificate_Store*>& trusted_roots,
76	Botan::Usage_Type usage,
77	std::string_view hostname,
78	const Botan::TLS::Policy& policy) override {
79	try {	258✔
80	// try to validate to exercise those code paths
81	Botan::TLS::Callbacks::tls_verify_cert_chain(	258✔
82	cert_chain, ocsp_responses, trusted_roots, usage, hostname, policy);
83	} catch(...) {	258✔
84	// ignore validation result
85	}	258✔
86	}	258✔
87	};
88
89	void fuzz(std::span<const uint8_t> in) {	1,962✔
90	if(in.empty()) {	1,962✔
91	return;	×
92	}
93
94	auto session_manager = std::make_shared<Botan::TLS::Session_Manager_Noop>();	1,962✔
95	auto policy = std::make_shared<Fuzzer_TLS_Policy>();	1,962✔
96	const Botan::TLS::Protocol_Version client_offer = Botan::TLS::Protocol_Version::TLS_V12;	1,962✔
97	const Botan::TLS::Server_Information info("server.name", 443);	1,962✔
98	auto callbacks = std::make_shared<Fuzzer_TLS_Client_Callbacks>();	1,962✔
99	auto creds = std::make_shared<Fuzzer_TLS_Client_Creds>();	1,962✔
100
101	Botan::TLS::Client client(callbacks, session_manager, creds, policy, fuzzer_rng_as_shared(), info, client_offer);	15,696✔
102
103	try {	1,962✔
104	client.received_data(in);	1,962✔
105	} catch(std::exception& e) {}	1,938✔
106	}	11,772✔

randombit / botan / 20304984263

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