35178316236

Committed 16 Sep 2026 08:38PM UTC coverage: 89.698% (-2.3%) from 92.034%

Build # 35178316236

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push

github

Committed by

web-flow

Commit Message

Merge pull request #5944 from reneme/rene/remove_unnecessary_unicode

Remove unnecessary Unicode characters

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123966 of 138204 relevant lines covered (89.7%)

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71.08

/src/cli/tls_server.cpp

/*
* TLS echo server using BSD sockets
* (C) 2014 Jack Lloyd
*     2017 René Korthaus, Rohde & Schwarz Cybersecurity
*     2023 René Meusel, Rohde & Schwarz Cybersecurity
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "cli.h"

#include <botan/internal/target_info.h>

#if defined(BOTAN_TARGET_OS_HAS_SOCKETS)
   #include <sys/socket.h>
#endif

#if defined(BOTAN_HAS_TLS) && defined(BOTAN_TARGET_OS_HAS_FILESYSTEM) && defined(BOTAN_TARGET_OS_HAS_SOCKETS)

   #if defined(SO_MARK) || defined(SO_USER_COOKIE) || defined(SO_RTABLE)
      #if defined(SO_MARK)
         #define BOTAN_SO_SOCKETID SO_MARK
      #elif defined(SO_USER_COOKIE)
         #define BOTAN_SO_SOCKETID SO_USER_COOKIE
      #else
         #define BOTAN_SO_SOCKETID SO_RTABLE
      #endif
   #endif

   #include <botan/hex.h>
   #include <botan/mem_ops.h>
   #include <botan/tls_callbacks.h>
   #include <botan/tls_policy.h>
   #include <botan/tls_server.h>
   #include <botan/tls_session_manager_memory.h>

   #include <chrono>
   #include <fstream>
   #include <list>
   #include <memory>

   #include "socket_utils.h"
   #include "tls_helpers.h"

namespace Botan_CLI {

class TLS_Server;

namespace {

class Callbacks : public Botan::TLS::Callbacks {
   public:
      explicit Callbacks(TLS_Server& server_command) : m_server_command(server_command) {}

      std::ostream& output();
      void send(std::span<const uint8_t> buffer);
      void push_pending_output(std::string line);

      void tls_session_established(const Botan::TLS::Session_Summary& session) override {
         output() << "Handshake complete, " << session.version().to_string() << " using "
                  << session.ciphersuite().to_string();

         if(const auto& psk = session.external_psk_identity()) {
            output() << " (utilized PSK identity: " << maybe_hex_encode(psk.value()) << ")";
         }

         output() << std::endl;

         if(const auto& session_id = session.session_id(); !session_id.empty()) {
            output() << "Session ID " << Botan::hex_encode(session_id.get()) << std::endl;
         }

         if(const auto& session_ticket = session.session_ticket()) {
            output() << "Session ticket " << Botan::hex_encode(session_ticket->get()) << std::endl;
         }
      }

      void tls_record_received(uint64_t /*seq_no*/, std::span<const uint8_t> input) override {
         for(auto uc : input) {
            const char c = static_cast<char>(uc);
            m_line_buf += c;
            if(c == '\n') {
               push_pending_output(std::exchange(m_line_buf, {}));
            }
         }
      }

      void tls_emit_data(std::span<const uint8_t> buf) override { send(buf); }

      void tls_alert(Botan::TLS::Alert alert) override { output() << "Alert: " << alert.type_string() << std::endl; }

      std::string tls_server_choose_app_protocol(const std::vector<std::string>& /*client_protos*/) override {
         // we ignore whatever the client sends here
         return "echo/0.1";
      }

      void tls_verify_raw_public_key(const Botan::Public_Key& raw_public_key,
                                     Botan::Usage_Type /* usage */,
                                     std::string_view /* hostname */,
                                     const Botan::TLS::Policy& /* policy */) override {
         const auto fingerprint = raw_public_key.fingerprint_public("SHA-256");
         output() << "received Raw Public Key (" << fingerprint << ")\n";
      }

   private:
      TLS_Server& m_server_command;
      std::string m_line_buf;
};

}  // namespace

class TLS_Server final : public Command {
   public:
   #if defined(BOTAN_SO_SOCKETID)
      TLS_Server() :
            Command(
               "tls_server cert-or-pubkey key --port=443 --psk= --psk-identity= --psk-prf=SHA-256 --type=tcp --policy=default --dump-traces= --max-clients=0 --socket-id=0")
   #else
      TLS_Server() :
            Command(
               "tls_server cert-or-pubkey key --port=443 --psk= --psk-identity= --psk-prf=SHA-256 --type=tcp --policy=default --dump-traces= --max-clients=0")
   #endif
      {
         init_sockets();
      }

      ~TLS_Server() override { stop_sockets(); }

      TLS_Server(const TLS_Server& other) = delete;
      TLS_Server(TLS_Server&& other) = delete;
      TLS_Server& operator=(const TLS_Server& other) = delete;
      TLS_Server& operator=(TLS_Server&& other) = delete;

      std::string group() const override { return "tls"; }

      std::string description() const override { return "Accept TLS/DTLS connections from TLS/DTLS clients"; }

      void go() override {
         const std::string server_cred = get_arg("cert-or-pubkey");
         const std::string server_key = get_arg("key");
         const uint16_t port = get_arg_u16("port");
         const size_t max_clients = get_arg_sz("max-clients");
         const std::string transport = get_arg("type");
         const std::string dump_traces_to = get_arg("dump-traces");
         auto psk = [this]() -> std::optional<Botan::secure_vector<uint8_t>> {
            auto psk_hex = get_arg_maybe("psk");
            if(psk_hex) {
               return Botan::hex_decode_locked(psk_hex.value());
            } else {
               return {};
            }
         }();
         const std::optional<std::string> psk_identity = get_arg_maybe("psk-identity");
         const std::optional<std::string> psk_prf = get_arg_maybe("psk-prf");

   #if defined(BOTAN_SO_SOCKETID)
         m_socket_id = static_cast<uint32_t>(get_arg_sz("socket-id"));
   #endif

         if(transport != "tcp" && transport != "udp") {
            throw CLI_Usage_Error("Invalid transport type '" + transport + "' for TLS");
         }

         m_is_tcp = (transport == "tcp");

         auto policy = load_tls_policy(get_arg("policy"));
         auto session_manager =
            std::make_shared<Botan::TLS::Session_Manager_In_Memory>(rng_as_shared());  // TODO sqlite3
         auto creds =
            std::make_shared<Basic_Credentials_Manager>(server_cred, server_key, std::move(psk), psk_identity, psk_prf);
         auto callbacks = std::make_shared<Callbacks>(*this);

         const socket_type server_fd = make_server_socket(port);
         size_t clients_served = 0;

         output() << "Listening for new connections on " << transport << " port " << socket_port(server_fd)
                  << std::endl;

         while(true) {
            if(max_clients > 0 && clients_served >= max_clients) {
               break;
            }

            if(m_is_tcp) {
               m_socket = ::accept(server_fd, nullptr, nullptr);
            } else {
               struct sockaddr_in from {};

               socklen_t from_len = sizeof(sockaddr_in);

               void* peek_buf = nullptr;
               size_t peek_len = 0;  // NOLINT(*-const-correctness)

   #if defined(BOTAN_TARGET_OS_IS_MACOS)
               // macOS handles zero size buffers differently - it will return 0 even if there's no incoming data,
               // and after that connect() will fail as sockaddr_in from is not initialized
               int dummy;
               peek_buf = &dummy;
               peek_len = sizeof(dummy);
   #endif

               if(::recvfrom(server_fd,
                             static_cast<char*>(peek_buf),
                             static_cast<sendrecv_len_type>(peek_len),
                             MSG_PEEK,
                             reinterpret_cast<struct sockaddr*>(&from),
                             &from_len) != 0) {
                  throw CLI_Error("Could not peek next packet");
               }

               if(::connect(server_fd, reinterpret_cast<struct sockaddr*>(&from), from_len) != 0) {
                  throw CLI_Error("Could not connect UDP socket");
               }
               m_socket = server_fd;
            }

            clients_served++;

            Botan::TLS::Server server(callbacks, session_manager, creds, policy, rng_as_shared(), m_is_tcp == false);

            std::unique_ptr<std::ostream> dump_stream;

            if(!dump_traces_to.empty()) {
               auto now = std::chrono::system_clock::now().time_since_epoch();
               const uint64_t timestamp = std::chrono::duration_cast<std::chrono::nanoseconds>(now).count();
               const std::string dump_file = dump_traces_to + "/tls_" + std::to_string(timestamp) + ".bin";
               dump_stream = std::make_unique<std::ofstream>(dump_file.c_str());
            }

            try {
               while(!server.is_closed()) {
                  try {
                     uint8_t buf[4 * 1024] = {0};
                     const ssize_t got = ::recv(m_socket, Botan::cast_uint8_ptr_to_char(buf), sizeof(buf), 0);

                     if(got == -1) {
                        error_output() << "Error in socket read - " << err_to_string(errno) << std::endl;
                        break;
                     }

                     if(got == 0) {
                        error_output() << "EOF on socket" << std::endl;
                        break;
                     }

                     if(dump_stream) {
                        dump_stream->write(reinterpret_cast<const char*>(buf), got);
                     }

                     server.received_data(buf, got);

                     while(server.is_active() && !m_pending_output.empty()) {
                        const std::string output = m_pending_output.front();
                        m_pending_output.pop_front();
                        server.send(output);

                        if(output == "quit\n") {
                           server.close();
                        }
                     }
                  } catch(std::exception& e) {
                     error_output() << "Connection problem: " << e.what() << std::endl;
                     if(m_is_tcp) {
                        close_socket(m_socket);
                        m_socket = invalid_socket();
                     }
                  }
               }
            } catch(Botan::Exception& e) {
               error_output() << "Connection failed: " << e.what() << "\n";
            }

            if(m_is_tcp) {
               close_socket(m_socket);
               m_socket = invalid_socket();
            }
         }

         close_socket(server_fd);
      }

   public:
      using Command::flag_set;
      using Command::output;

      void send(std::span<const uint8_t> buf) {
         if(m_is_tcp) {
            const ssize_t sent = ::send(m_socket, buf.data(), static_cast<sendrecv_len_type>(buf.size()), MSG_NOSIGNAL);

            if(sent == -1) {
               error_output() << "Error writing to socket - " << err_to_string(errno) << std::endl;
            } else if(sent >= 0 && static_cast<size_t>(sent) != buf.size()) {
               error_output() << "Packet of length " << buf.size() << " truncated to " << sent << std::endl;
            }
         } else {
            while(!buf.empty()) {
               ssize_t sent = ::send(m_socket, buf.data(), static_cast<sendrecv_len_type>(buf.size()), MSG_NOSIGNAL);

               if(sent == -1) {
                  if(errno == EINTR) {
                     sent = 0;
                  } else {
                     throw CLI_Error("Socket write failed");
                  }
               }

               buf = buf.subspan(sent);
            }
         }
      }

      void push_pending_output(std::string line) { m_pending_output.emplace_back(std::move(line)); }

   private:
      socket_type make_server_socket(uint16_t port) {
         const int type = m_is_tcp ? SOCK_STREAM : SOCK_DGRAM;

         const socket_type fd = ::socket(PF_INET, type, 0);
         if(fd == invalid_socket()) {
            throw CLI_Error("Unable to acquire socket");
         }

         sockaddr_in socket_info{};
         Botan::clear_mem(&socket_info, 1);
         socket_info.sin_family = AF_INET;
         socket_info.sin_port = htons(port);

         // FIXME: support limiting listeners
         socket_info.sin_addr.s_addr = INADDR_ANY;

         if(::bind(fd, reinterpret_cast<struct sockaddr*>(&socket_info), sizeof(struct sockaddr)) != 0) {
            close_socket(fd);
            throw CLI_Error("server bind failed");
         }

         if(m_is_tcp) {
            constexpr int backlog = std::min(100, SOMAXCONN);
            if(::listen(fd, backlog) != 0) {
               close_socket(fd);
               throw CLI_Error("listen failed");
            }
         }
         if(m_socket_id > 0) {
   #if defined(BOTAN_SO_SOCKETID)
            if(::setsockopt(fd,
                            SOL_SOCKET,
                            BOTAN_SO_SOCKETID,
                            reinterpret_cast<const void*>(&m_socket_id),
                            sizeof(m_socket_id)) != 0) {
               // Failed but not world-ending issue
               output() << "set socket identifier setting failed" << std::endl;
            }
   #endif
         }
         return fd;
      }

      socket_type m_socket = invalid_socket();
      bool m_is_tcp = false;
      uint32_t m_socket_id = 0;
      std::list<std::string> m_pending_output;
};

namespace {

std::ostream& Callbacks::output() {
   return m_server_command.output();
}

void Callbacks::send(std::span<const uint8_t> buffer) {
   m_server_command.send(buffer);
}

void Callbacks::push_pending_output(std::string line) {
   m_server_command.push_pending_output(std::move(line));
}

}  // namespace

BOTAN_REGISTER_COMMAND("tls_server", TLS_Server);

}  // namespace Botan_CLI

#endif

1	/*
2	* TLS echo server using BSD sockets
3	* (C) 2014 Jack Lloyd
4	* 2017 René Korthaus, Rohde & Schwarz Cybersecurity
5	* 2023 René Meusel, Rohde & Schwarz Cybersecurity
6	*
7	* Botan is released under the Simplified BSD License (see license.txt)
8	*/
9
10	#include "cli.h"
11
12	#include <botan/internal/target_info.h>
13
14	#if defined(BOTAN_TARGET_OS_HAS_SOCKETS)
15	#include <sys/socket.h>
16	#endif
17
18	#if defined(BOTAN_HAS_TLS) && defined(BOTAN_TARGET_OS_HAS_FILESYSTEM) && defined(BOTAN_TARGET_OS_HAS_SOCKETS)
19
20	#if defined(SO_MARK) \|\| defined(SO_USER_COOKIE) \|\| defined(SO_RTABLE)
21	#if defined(SO_MARK)
22	#define BOTAN_SO_SOCKETID SO_MARK
23	#elif defined(SO_USER_COOKIE)
24	#define BOTAN_SO_SOCKETID SO_USER_COOKIE
25	#else
26	#define BOTAN_SO_SOCKETID SO_RTABLE
27	#endif
28	#endif
29
30	#include <botan/hex.h>
31	#include <botan/mem_ops.h>
32	#include <botan/tls_callbacks.h>
33	#include <botan/tls_policy.h>
34	#include <botan/tls_server.h>
35	#include <botan/tls_session_manager_memory.h>
36
37	#include <chrono>
38	#include <fstream>
39	#include <list>
40	#include <memory>
41
42	#include "socket_utils.h"
43	#include "tls_helpers.h"
44
45	namespace Botan_CLI {
46
47	class TLS_Server;
48
49	namespace {
50
51	class Callbacks : public Botan::TLS::Callbacks {	1✔
52	public:
53	explicit Callbacks(TLS_Server& server_command) : m_server_command(server_command) {}	1✔
54
55	std::ostream& output();
56	void send(std::span<const uint8_t> buffer);
57	void push_pending_output(std::string line);
58
59	void tls_session_established(const Botan::TLS::Session_Summary& session) override {	9✔
60	output() << "Handshake complete, " << session.version().to_string() << " using "	9✔
61	<< session.ciphersuite().to_string();	27✔
62
63	if(const auto& psk = session.external_psk_identity()) {	9✔
64	output() << " (utilized PSK identity: " << maybe_hex_encode(psk.value()) << ")";	6✔
65	}
66
67	output() << std::endl;	9✔
68
69	if(const auto& session_id = session.session_id(); !session_id.empty()) {	9✔
70	output() << "Session ID " << Botan::hex_encode(session_id.get()) << std::endl;	9✔
71	}
72
73	if(const auto& session_ticket = session.session_ticket()) {	9✔
74	output() << "Session ticket " << Botan::hex_encode(session_ticket->get()) << std::endl;	×
75	}
76	}	9✔
77
78	void tls_record_received(uint64_t /seq_no/, std::span<const uint8_t> input) override {	9✔
79	for(auto uc : input) {	2,061✔
80	const char c = static_cast<char>(uc);	2,052✔
81	m_line_buf += c;	2,052✔
82	if(c == '\n') {	2,052✔
83	push_pending_output(std::exchange(m_line_buf, {}));	27✔
84	}
85	}
86	}	9✔
87
88	void tls_emit_data(std::span<const uint8_t> buf) override { send(buf); }	132✔
89
90	void tls_alert(Botan::TLS::Alert alert) override { output() << "Alert: " << alert.type_string() << std::endl; }	18✔
91
92	std::string tls_server_choose_app_protocol(const std::vector<std::string>& /client_protos/) override {	×
93	// we ignore whatever the client sends here
94	return "echo/0.1";	×
95	}
96
97	void tls_verify_raw_public_key(const Botan::Public_Key& raw_public_key,	×
98	Botan::Usage_Type /* usage */,
99	std::string_view /* hostname */,
100	const Botan::TLS::Policy& /* policy */) override {
101	const auto fingerprint = raw_public_key.fingerprint_public("SHA-256");	×
102	output() << "received Raw Public Key (" << fingerprint << ")\n";	×
103	}	×
104
105	private:
106	TLS_Server& m_server_command;
107	std::string m_line_buf;
108	};
109
110	} // namespace
111
112	class TLS_Server final : public Command {
113	public:
114	#if defined(BOTAN_SO_SOCKETID)
115	TLS_Server() :	2✔
116	Command(
117	"tls_server cert-or-pubkey key --port=443 --psk= --psk-identity= --psk-prf=SHA-256 --type=tcp --policy=default --dump-traces= --max-clients=0 --socket-id=0")	4✔
118	#else
119	TLS_Server() :
120	Command(
121	"tls_server cert-or-pubkey key --port=443 --psk= --psk-identity= --psk-prf=SHA-256 --type=tcp --policy=default --dump-traces= --max-clients=0")
122	#endif
123	{
124	init_sockets();	2✔
125	}	2✔
126
127	~TLS_Server() override { stop_sockets(); }	2✔
128
129	TLS_Server(const TLS_Server& other) = delete;
130	TLS_Server(TLS_Server&& other) = delete;
131	TLS_Server& operator=(const TLS_Server& other) = delete;
132	TLS_Server& operator=(TLS_Server&& other) = delete;
133
134	std::string group() const override { return "tls"; }	1✔
135
136	std::string description() const override { return "Accept TLS/DTLS connections from TLS/DTLS clients"; }	1✔
137
138	void go() override {	1✔
139	const std::string server_cred = get_arg("cert-or-pubkey");	1✔
140	const std::string server_key = get_arg("key");	1✔
141	const uint16_t port = get_arg_u16("port");	1✔
142	const size_t max_clients = get_arg_sz("max-clients");	1✔
143	const std::string transport = get_arg("type");	1✔
144	const std::string dump_traces_to = get_arg("dump-traces");	1✔
145	auto psk = [this]() -> std::optional<Botan::secure_vector<uint8_t>> {	×
146	auto psk_hex = get_arg_maybe("psk");	1✔
147	if(psk_hex) {	1✔
148	return Botan::hex_decode_locked(psk_hex.value());	1✔
149	} else {
150	return {};	×
151	}
152	}();	2✔
153	const std::optional<std::string> psk_identity = get_arg_maybe("psk-identity");	1✔
154	const std::optional<std::string> psk_prf = get_arg_maybe("psk-prf");	1✔
155
156	#if defined(BOTAN_SO_SOCKETID)
157	m_socket_id = static_cast<uint32_t>(get_arg_sz("socket-id"));	1✔
158	#endif
159
160	if(transport != "tcp" && transport != "udp") {	1✔
161	throw CLI_Usage_Error("Invalid transport type '" + transport + "' for TLS");	×
162	}
163
164	m_is_tcp = (transport == "tcp");	1✔
165
166	auto policy = load_tls_policy(get_arg("policy"));	2✔
167	auto session_manager =	1✔
168	std::make_shared<Botan::TLS::Session_Manager_In_Memory>(rng_as_shared()); // TODO sqlite3	2✔
169	auto creds =	1✔
170	std::make_shared<Basic_Credentials_Manager>(server_cred, server_key, std::move(psk), psk_identity, psk_prf);	1✔
171	auto callbacks = std::make_shared<Callbacks>(*this);	1✔
172
173	const socket_type server_fd = make_server_socket(port);	1✔
174	size_t clients_served = 0;	1✔
175
176	output() << "Listening for new connections on " << transport << " port " << socket_port(server_fd)	1✔
177	<< std::endl;	11✔
178
179	while(true) {	21✔
180	if(max_clients > 0 && clients_served >= max_clients) {	11✔
181	break;
182	}
183
184	if(m_is_tcp) {	10✔
185	m_socket = ::accept(server_fd, nullptr, nullptr);	10✔
186	} else {
187	struct sockaddr_in from {};	×
188
189	socklen_t from_len = sizeof(sockaddr_in);	×
190
191	void* peek_buf = nullptr;	×
192	size_t peek_len = 0; // NOLINT(*-const-correctness)	×
193
194	#if defined(BOTAN_TARGET_OS_IS_MACOS)
195	// macOS handles zero size buffers differently - it will return 0 even if there's no incoming data,
196	// and after that connect() will fail as sockaddr_in from is not initialized
197	int dummy;
198	peek_buf = &dummy;
199	peek_len = sizeof(dummy);
200	#endif
201
202	if(::recvfrom(server_fd,	×
203	static_cast<char*>(peek_buf),
204	static_cast<sendrecv_len_type>(peek_len),
205	MSG_PEEK,
206	reinterpret_cast<struct sockaddr*>(&from),
207	&from_len) != 0) {
208	throw CLI_Error("Could not peek next packet");	×
209	}
210
211	if(::connect(server_fd, reinterpret_cast<struct sockaddr*>(&from), from_len) != 0) {	×
212	throw CLI_Error("Could not connect UDP socket");	×
213	}
214	m_socket = server_fd;	×
215	}
216
217	clients_served++;	10✔
218
219	Botan::TLS::Server server(callbacks, session_manager, creds, policy, rng_as_shared(), m_is_tcp == false);	60✔
220
221	std::unique_ptr<std::ostream> dump_stream;	10✔
222
223	if(!dump_traces_to.empty()) {	10✔
224	auto now = std::chrono::system_clock::now().time_since_epoch();	×
225	const uint64_t timestamp = std::chrono::duration_cast<std::chrono::nanoseconds>(now).count();	×
226	const std::string dump_file = dump_traces_to + "/tls_" + std::to_string(timestamp) + ".bin";	×
227	dump_stream = std::make_unique<std::ofstream>(dump_file.c_str());	×
228	}	×
229
230	try {
231	while(!server.is_closed()) {	57✔
232	try {	47✔
233	uint8_t buf[4 * 1024] = {0};	47✔
234	const ssize_t got = ::recv(m_socket, Botan::cast_uint8_ptr_to_char(buf), sizeof(buf), 0);	47✔
235
236	if(got == -1) {	47✔
237	error_output() << "Error in socket read - " << err_to_string(errno) << std::endl;	×
238	break;	×
239	}
240
241	if(got == 0) {	47✔
242	error_output() << "EOF on socket" << std::endl;	×
243	break;
244	}
245
246	if(dump_stream) {	47✔
247	dump_stream->write(reinterpret_cast<const char*>(buf), got);	×
248	}
249
250	server.received_data(buf, got);	47✔
251
252	while(server.is_active() && !m_pending_output.empty()) {	55✔
253	const std::string output = m_pending_output.front();	9✔
254	m_pending_output.pop_front();	9✔
255	server.send(output);	9✔
256
257	if(output == "quit\n") {	9✔
258	server.close();	×
259	}
260	}	9✔
261	} catch(std::exception& e) {	1✔
262	error_output() << "Connection problem: " << e.what() << std::endl;	1✔
263	if(m_is_tcp) {	1✔
264	close_socket(m_socket);	1✔
265	m_socket = invalid_socket();	1✔
266	}
267	}	1✔
268	}
269	} catch(Botan::Exception& e) {	×
270	error_output() << "Connection failed: " << e.what() << "\n";	×
271	}	×
272
273	if(m_is_tcp) {	10✔
274	close_socket(m_socket);	10✔
275	m_socket = invalid_socket();	10✔
276	}
277	}	10✔
278
279	close_socket(server_fd);	2✔
280	}	6✔
281
282	public:
283	using Command::flag_set;
284	using Command::output;
285
286	void send(std::span<const uint8_t> buf) {	66✔
287	if(m_is_tcp) {	66✔
288	const ssize_t sent = ::send(m_socket, buf.data(), static_cast<sendrecv_len_type>(buf.size()), MSG_NOSIGNAL);	66✔
289
290	if(sent == -1) {	66✔
291	error_output() << "Error writing to socket - " << err_to_string(errno) << std::endl;	×
292	} else if(sent >= 0 && static_cast<size_t>(sent) != buf.size()) {	66✔
293	error_output() << "Packet of length " << buf.size() << " truncated to " << sent << std::endl;	×
294	}
295	} else {
296	while(!buf.empty()) {	×
297	ssize_t sent = ::send(m_socket, buf.data(), static_cast<sendrecv_len_type>(buf.size()), MSG_NOSIGNAL);	×
298
299	if(sent == -1) {	×
300	if(errno == EINTR) {	×
301	sent = 0;
302	} else {
303	throw CLI_Error("Socket write failed");	×
304	}
305	}
306
307	buf = buf.subspan(sent);	×
308	}
309	}
310	}	66✔
311
312	void push_pending_output(std::string line) { m_pending_output.emplace_back(std::move(line)); }	9✔
313
314	private:
315	socket_type make_server_socket(uint16_t port) {	1✔
316	const int type = m_is_tcp ? SOCK_STREAM : SOCK_DGRAM;	1✔
317
318	const socket_type fd = ::socket(PF_INET, type, 0);	1✔
319	if(fd == invalid_socket()) {	1✔
320	throw CLI_Error("Unable to acquire socket");	×
321	}
322
323	sockaddr_in socket_info{};	1✔
324	Botan::clear_mem(&socket_info, 1);	1✔
325	socket_info.sin_family = AF_INET;	1✔
326	socket_info.sin_port = htons(port);	1✔
327
328	// FIXME: support limiting listeners
329	socket_info.sin_addr.s_addr = INADDR_ANY;	1✔
330
331	if(::bind(fd, reinterpret_cast<struct sockaddr*>(&socket_info), sizeof(struct sockaddr)) != 0) {	1✔
332	close_socket(fd);	×
333	throw CLI_Error("server bind failed");	×
334	}
335
336	if(m_is_tcp) {	1✔
337	constexpr int backlog = std::min(100, SOMAXCONN);	1✔
338	if(::listen(fd, backlog) != 0) {	1✔
339	close_socket(fd);	×
340	throw CLI_Error("listen failed");	×
341	}
342	}
343	if(m_socket_id > 0) {	1✔
344	#if defined(BOTAN_SO_SOCKETID)
345	if(::setsockopt(fd,	×
346	SOL_SOCKET,
347	BOTAN_SO_SOCKETID,
348	reinterpret_cast<const void*>(&m_socket_id),	×
349	sizeof(m_socket_id)) != 0) {
350	// Failed but not world-ending issue
351	output() << "set socket identifier setting failed" << std::endl;	×
352	}
353	#endif
354	}
355	return fd;	1✔
356	}
357
358	socket_type m_socket = invalid_socket();
359	bool m_is_tcp = false;
360	uint32_t m_socket_id = 0;
361	std::list<std::string> m_pending_output;
362	};
363
364	namespace {
365
366	std::ostream& Callbacks::output() {	38✔
367	return m_server_command.output();	38✔
368	}
369
370	void Callbacks::send(std::span<const uint8_t> buffer) {	66✔
371	m_server_command.send(buffer);	66✔
372	}
373
374	void Callbacks::push_pending_output(std::string line) {	9✔
375	m_server_command.push_pending_output(std::move(line));	18✔
376	}	9✔
377
378	} // namespace
379
380	BOTAN_REGISTER_COMMAND("tls_server", TLS_Server);	2✔
381
382	} // namespace Botan_CLI
383
384	#endif

randombit / botan / 35178316236

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