21782759586

Committed 07 Feb 2026 12:31PM UTC coverage: 90.073% (-0.001%) from 90.074%

Build # 21782759586

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Commit Message

Merge pull request #5289 from randombit/jack/header-patrol-2

Further misc header reductions, forward declarations, etc

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98.63

/src/lib/tls/tls12/msg_certificate_req_12.cpp

/*
* Certificate Request Message
* (C) 2004-2006,2012 Jack Lloyd
*     2021 Elektrobit Automotive GmbH
*     2022 René Meusel, Hannes Rantzsch - neXenio GmbH
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/tls_messages_12.h>

#include <botan/ber_dec.h>
#include <botan/der_enc.h>
#include <botan/tls_extensions.h>
#include <botan/tls_policy.h>
#include <botan/internal/fmt.h>
#include <botan/internal/tls_handshake_hash.h>
#include <botan/internal/tls_handshake_io.h>
#include <botan/internal/tls_reader.h>

namespace Botan::TLS {

Handshake_Type Certificate_Request_12::type() const {
   return Handshake_Type::CertificateRequest;
}

namespace {

std::string cert_type_code_to_name(uint8_t code) {
   switch(code) {
      case 1:
         return "RSA";
      case 64:
         return "ECDSA";
      default:
         return "";  // DH or something else
   }
}

uint8_t cert_type_name_to_code(std::string_view name) {
   if(name == "RSA") {
      return 1;
   }
   if(name == "ECDSA") {
      return 64;
   }

   throw Invalid_Argument(fmt("Unknown/unhandled TLS cert type {}", name));
}

}  // namespace

/**
* Create a new Certificate Request message
*/
Certificate_Request_12::Certificate_Request_12(Handshake_IO& io,
                                               Handshake_Hash& hash,
                                               const Policy& policy,
                                               const std::vector<X509_DN>& ca_certs) :
      m_names(ca_certs), m_cert_key_types({"RSA", "ECDSA"}) {
   m_schemes = policy.acceptable_signature_schemes();
   hash.update(io.send(*this));
}

/**
* Deserialize a Certificate Request message
*/
Certificate_Request_12::Certificate_Request_12(const std::vector<uint8_t>& buf) {
   if(buf.size() < 4) {
      throw Decoding_Error("Certificate_Req: Bad certificate request");
   }

   TLS_Data_Reader reader("CertificateRequest", buf);

   const auto cert_type_codes = reader.get_range_vector<uint8_t>(1, 1, 255);

   for(const auto cert_type_code : cert_type_codes) {
      const std::string cert_type_name = cert_type_code_to_name(cert_type_code);

      if(cert_type_name.empty()) {  // something we don't know
         continue;
      }

      m_cert_key_types.emplace_back(cert_type_name);
   }

   const std::vector<uint8_t> algs = reader.get_range_vector<uint8_t>(2, 2, 65534);

   if(algs.size() % 2 != 0) {
      throw Decoding_Error("Bad length for signature IDs in certificate request");
   }

   for(size_t i = 0; i != algs.size(); i += 2) {
      m_schemes.emplace_back(make_uint16(algs[i], algs[i + 1]));
   }

   const uint16_t purported_size = reader.get_uint16_t();

   if(reader.remaining_bytes() != purported_size) {
      throw Decoding_Error("Inconsistent length in certificate request");
   }

   while(reader.has_remaining()) {
      std::vector<uint8_t> name_bits = reader.get_range_vector<uint8_t>(2, 0, 65535);

      BER_Decoder decoder(name_bits.data(), name_bits.size());
      X509_DN name;
      decoder.decode(name);
      m_names.emplace_back(name);
   }
}

const std::vector<std::string>& Certificate_Request_12::acceptable_cert_types() const {
   return m_cert_key_types;
}

const std::vector<X509_DN>& Certificate_Request_12::acceptable_CAs() const {
   return m_names;
}

const std::vector<Signature_Scheme>& Certificate_Request_12::signature_schemes() const {
   return m_schemes;
}

/**
* Serialize a Certificate Request message
*/
std::vector<uint8_t> Certificate_Request_12::serialize() const {
   std::vector<uint8_t> buf;

   std::vector<uint8_t> cert_types;

   cert_types.reserve(m_cert_key_types.size());
   for(const auto& cert_key_type : m_cert_key_types) {
      cert_types.push_back(cert_type_name_to_code(cert_key_type));
   }

   append_tls_length_value(buf, cert_types, 1);

   if(!m_schemes.empty()) {
      buf += Signature_Algorithms(m_schemes).serialize(Connection_Side::Server);
   }

   std::vector<uint8_t> encoded_names;

   for(const auto& name : m_names) {
      DER_Encoder encoder;
      encoder.encode(name);

      append_tls_length_value(encoded_names, encoder.get_contents(), 2);
   }

   append_tls_length_value(buf, encoded_names, 2);

   return buf;
}
}  // namespace Botan::TLS

1	/*
2	* Certificate Request Message
3	* (C) 2004-2006,2012 Jack Lloyd
4	* 2021 Elektrobit Automotive GmbH
5	* 2022 René Meusel, Hannes Rantzsch - neXenio GmbH
6	*
7	* Botan is released under the Simplified BSD License (see license.txt)
8	*/
9
10	#include <botan/tls_messages_12.h>
11
12	#include <botan/ber_dec.h>
13	#include <botan/der_enc.h>
14	#include <botan/tls_extensions.h>
15	#include <botan/tls_policy.h>
16	#include <botan/internal/fmt.h>
17	#include <botan/internal/tls_handshake_hash.h>
18	#include <botan/internal/tls_handshake_io.h>
19	#include <botan/internal/tls_reader.h>
20
21	namespace Botan::TLS {
22
23	Handshake_Type Certificate_Request_12::type() const {	731✔
24	return Handshake_Type::CertificateRequest;	731✔
25	}
26
27	namespace {
28
29	std::string cert_type_code_to_name(uint8_t code) {	402✔
30	switch(code) {	402✔
31	case 1:	194✔
32	return "RSA";	194✔
33	case 64:	195✔
34	return "ECDSA";	195✔
35	default:	13✔
36	return ""; // DH or something else	13✔
37	}
38	}
39
40	uint8_t cert_type_name_to_code(std::string_view name) {	554✔
41	if(name == "RSA") {	554✔
42	return 1;	277✔
43	}
44	if(name == "ECDSA") {	277✔
45	return 64;	277✔
46	}
47
48	throw Invalid_Argument(fmt("Unknown/unhandled TLS cert type {}", name));	×
49	}
50
51	} // namespace
52
53	/**
54	* Create a new Certificate Request message
55	*/
56	Certificate_Request_12::Certificate_Request_12(Handshake_IO& io,	277✔
57	Handshake_Hash& hash,
58	const Policy& policy,
59	const std::vector<X509_DN>& ca_certs) :	277✔
60	m_names(ca_certs), m_cert_key_types({"RSA", "ECDSA"}) {	1,385✔
61	m_schemes = policy.acceptable_signature_schemes();	277✔
62	hash.update(io.send(*this));	554✔
63	}	831✔
64
65	/**
66	* Deserialize a Certificate Request message
67	*/
68	Certificate_Request_12::Certificate_Request_12(const std::vector<uint8_t>& buf) {	200✔
69	if(buf.size() < 4) {	200✔
70	throw Decoding_Error("Certificate_Req: Bad certificate request");	1✔
71	}
72
73	TLS_Data_Reader reader("CertificateRequest", buf);	199✔
74
75	const auto cert_type_codes = reader.get_range_vector<uint8_t>(1, 1, 255);	199✔
76
77	for(const auto cert_type_code : cert_type_codes) {	601✔
78	const std::string cert_type_name = cert_type_code_to_name(cert_type_code);	402✔
79
80	if(cert_type_name.empty()) { // something we don't know	402✔
81	continue;	13✔
82	}
83
84	m_cert_key_types.emplace_back(cert_type_name);	389✔
85	}	402✔
86
87	const std::vector<uint8_t> algs = reader.get_range_vector<uint8_t>(2, 2, 65534);	199✔
88
89	if(algs.size() % 2 != 0) {	195✔
90	throw Decoding_Error("Bad length for signature IDs in certificate request");	1✔
91	}
92
93	for(size_t i = 0; i != algs.size(); i += 2) {	1,869✔
94	m_schemes.emplace_back(make_uint16(algs[i], algs[i + 1]));	1,679✔
95	}
96
97	const uint16_t purported_size = reader.get_uint16_t();	194✔
98
99	if(reader.remaining_bytes() != purported_size) {	194✔
100	throw Decoding_Error("Inconsistent length in certificate request");	3✔
101	}
102
103	while(reader.has_remaining()) {	361✔
104	std::vector<uint8_t> name_bits = reader.get_range_vector<uint8_t>(2, 0, 65535);	170✔
105
106	BER_Decoder decoder(name_bits.data(), name_bits.size());	170✔
107	X509_DN name;	170✔
108	decoder.decode(name);	170✔
109	m_names.emplace_back(name);	170✔
110	}	340✔
111	}	413✔
112
113	const std::vector<std::string>& Certificate_Request_12::acceptable_cert_types() const {	191✔
114	return m_cert_key_types;	191✔
115	}
116
117	const std::vector<X509_DN>& Certificate_Request_12::acceptable_CAs() const {	191✔
118	return m_names;	191✔
119	}
120
121	const std::vector<Signature_Scheme>& Certificate_Request_12::signature_schemes() const {	256✔
122	return m_schemes;	256✔
123	}
124
125	/**
126	* Serialize a Certificate Request message
127	*/
128	std::vector<uint8_t> Certificate_Request_12::serialize() const {	277✔
129	std::vector<uint8_t> buf;	277✔
130
131	std::vector<uint8_t> cert_types;	277✔
132
133	cert_types.reserve(m_cert_key_types.size());	277✔
134	for(const auto& cert_key_type : m_cert_key_types) {	831✔
135	cert_types.push_back(cert_type_name_to_code(cert_key_type));	554✔
136	}
137
138	append_tls_length_value(buf, cert_types, 1);	277✔
139
140	if(!m_schemes.empty()) {	277✔
141	buf += Signature_Algorithms(m_schemes).serialize(Connection_Side::Server);	554✔
142	}
143
144	std::vector<uint8_t> encoded_names;	277✔
145
146	for(const auto& name : m_names) {	616✔
147	DER_Encoder encoder;	339✔
148	encoder.encode(name);	339✔
149
150	append_tls_length_value(encoded_names, encoder.get_contents(), 2);	678✔
151	}	339✔
152
153	append_tls_length_value(buf, encoded_names, 2);	277✔
154
155	return buf;	277✔
156	}	554✔
157	} // namespace Botan::TLS

randombit / botan / 21782759586

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