11631334564

Committed 01 Nov 2024 02:54PM UTC coverage: 91.031% (-0.04%) from 91.072%

Build # 11631334564

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Pull #4422

github

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web-flow

Commit Message

Merge c66020351 into bd045b1a0

Pull Request Pull Request #4422: Chore: Centralize some Repository Config

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90.0

/src/lib/utils/socket/socket.cpp

/*
* (C) 2015,2016,2017 Jack Lloyd
* (C) 2016 Daniel Neus
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/internal/socket.h>

#include <botan/exceptn.h>
#include <botan/mem_ops.h>
#include <botan/internal/fmt.h>
#include <chrono>

#if defined(BOTAN_HAS_BOOST_ASIO)
   /*
  * We don't need serial port support anyway, and asking for it causes
  * macro conflicts with termios.h when this file is included in the
  * amalgamation.
  */
   #define BOOST_ASIO_DISABLE_SERIAL_PORT
   #include <boost/asio.hpp>
   #include <boost/asio/system_timer.hpp>

#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS)
   #include <errno.h>
   #include <fcntl.h>
   #include <netdb.h>
   #include <netinet/in.h>
   #include <string.h>
   #include <sys/socket.h>
   #include <sys/time.h>
   #include <unistd.h>

#elif defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
   #include <ws2tcpip.h>
#endif

namespace Botan {

namespace {

#if defined(BOTAN_HAS_BOOST_ASIO)

class Asio_Socket final : public OS::Socket {
   public:
      Asio_Socket(std::string_view hostname, std::string_view service, std::chrono::milliseconds timeout) :
            m_timeout(timeout), m_timer(m_io), m_tcp(m_io) {
         m_timer.expires_from_now(m_timeout);
         check_timeout();

         boost::asio::ip::tcp::resolver resolver(m_io);
         boost::asio::ip::tcp::resolver::query query(std::string{hostname}, std::string{service});
         boost::asio::ip::tcp::resolver::iterator dns_iter = resolver.resolve(query);

         boost::system::error_code ec = boost::asio::error::would_block;

         auto connect_cb = [&ec](const boost::system::error_code& e, const boost::asio::ip::tcp::resolver::iterator&) {
            ec = e;
         };

         boost::asio::async_connect(m_tcp, dns_iter, connect_cb);

         while(ec == boost::asio::error::would_block) {
            m_io.run_one();
         }

         if(ec) {
            throw boost::system::system_error(ec);
         }
         if(m_tcp.is_open() == false) {
            throw System_Error(fmt("Connection to host {} failed", hostname));
         }
      }

      void write(const uint8_t buf[], size_t len) override {
         m_timer.expires_from_now(m_timeout);

         boost::system::error_code ec = boost::asio::error::would_block;

         m_tcp.async_send(boost::asio::buffer(buf, len), [&ec](boost::system::error_code e, size_t) { ec = e; });

         while(ec == boost::asio::error::would_block) {
            m_io.run_one();
         }

         if(ec) {
            throw boost::system::system_error(ec);
         }
      }

      size_t read(uint8_t buf[], size_t len) override {
         m_timer.expires_from_now(m_timeout);

         boost::system::error_code ec = boost::asio::error::would_block;
         size_t got = 0;

         m_tcp.async_read_some(boost::asio::buffer(buf, len), [&](boost::system::error_code cb_ec, size_t cb_got) {
            ec = cb_ec;
            got = cb_got;
         });

         while(ec == boost::asio::error::would_block) {
            m_io.run_one();
         }

         if(ec) {
            if(ec == boost::asio::error::eof) {
               return 0;
            }
            throw boost::system::system_error(ec);  // Some other error.
         }

         return got;
      }

   private:
      void check_timeout() {
         if(m_tcp.is_open() && m_timer.expires_at() < std::chrono::system_clock::now()) {
            boost::system::error_code err;

            // NOLINTNEXTLINE(bugprone-unused-return-value,cert-err33-c)
            m_tcp.close(err);
         }

         m_timer.async_wait(std::bind(&Asio_Socket::check_timeout, this));
      }

      const std::chrono::milliseconds m_timeout;
      boost::asio::io_service m_io;
      boost::asio::system_timer m_timer;
      boost::asio::ip::tcp::socket m_tcp;
};

#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS) || defined(BOTAN_TARGET_OS_HAS_WINSOCK2)

class BSD_Socket final : public OS::Socket {
   private:
   #if defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
      typedef SOCKET socket_type;
      typedef int socket_op_ret_type;
      typedef int socklen_type;
      typedef int sendrecv_len_type;

      static socket_type invalid_socket() { return INVALID_SOCKET; }

      static void close_socket(socket_type s) { ::closesocket(s); }

      static std::string get_last_socket_error() { return std::to_string(::WSAGetLastError()); }

      static bool nonblocking_connect_in_progress() { return (::WSAGetLastError() == WSAEWOULDBLOCK); }

      static void set_nonblocking(socket_type s) {
         u_long nonblocking = 1;
         ::ioctlsocket(s, FIONBIO, &nonblocking);
      }

      static void socket_init() {
         WSAData wsa_data;
         WORD wsa_version = MAKEWORD(2, 2);

         if(::WSAStartup(wsa_version, &wsa_data) != 0) {
            throw System_Error("WSAStartup() failed", WSAGetLastError());
         }

         if(LOBYTE(wsa_data.wVersion) != 2 || HIBYTE(wsa_data.wVersion) != 2) {
            ::WSACleanup();
            throw System_Error("Could not find a usable version of Winsock.dll");
         }
      }

      static void socket_fini() { ::WSACleanup(); }
   #else
      typedef int socket_type;
      typedef ssize_t socket_op_ret_type;
      typedef socklen_t socklen_type;
      typedef size_t sendrecv_len_type;

      static socket_type invalid_socket() { return -1; }

      static void close_socket(socket_type s) { ::close(s); }

      static std::string get_last_socket_error() { return ::strerror(errno); }

      static bool nonblocking_connect_in_progress() { return (errno == EINPROGRESS); }

      static void set_nonblocking(socket_type s) {
         if(::fcntl(s, F_SETFL, O_NONBLOCK) < 0) {
            throw System_Error("Setting socket to non-blocking state failed", errno);
         }
      }

      static void socket_init() {}

      static void socket_fini() {}
   #endif

   public:
      BSD_Socket(std::string_view hostname, std::string_view service, std::chrono::microseconds timeout) :
            m_timeout(timeout) {
         socket_init();

         m_socket = invalid_socket();

         addrinfo hints;
         clear_mem(&hints, 1);
         hints.ai_family = AF_UNSPEC;
         hints.ai_socktype = SOCK_STREAM;
         addrinfo* res;

         const std::string hostname_str(hostname);
         const std::string service_str(service);

         int rc = ::getaddrinfo(hostname_str.c_str(), service_str.c_str(), &hints, &res);

         if(rc != 0) {
            throw System_Error(fmt("Name resolution failed for {}", hostname), rc);
         }

         for(addrinfo* rp = res; (m_socket == invalid_socket()) && (rp != nullptr); rp = rp->ai_next) {
            if(rp->ai_family != AF_INET && rp->ai_family != AF_INET6) {
               continue;
            }

            m_socket = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);

            if(m_socket == invalid_socket()) {
               // unsupported socket type?
               continue;
            }

            set_nonblocking(m_socket);

            int err = ::connect(m_socket, rp->ai_addr, static_cast<socklen_type>(rp->ai_addrlen));

            if(err == -1) {
               int active = 0;
               if(nonblocking_connect_in_progress()) {
                  struct timeval timeout_tv = make_timeout_tv();
                  fd_set write_set;
                  FD_ZERO(&write_set);
                  // Weirdly, Winsock uses a SOCKET type but wants FD_SET to get an int instead
                  FD_SET(static_cast<int>(m_socket), &write_set);

                  active = ::select(static_cast<int>(m_socket + 1), nullptr, &write_set, nullptr, &timeout_tv);

                  if(active) {
                     int socket_error = 0;
                     socklen_t len = sizeof(socket_error);

                     if(::getsockopt(m_socket, SOL_SOCKET, SO_ERROR, reinterpret_cast<char*>(&socket_error), &len) <
                        0) {
                        throw System_Error("Error calling getsockopt", errno);
                     }

                     if(socket_error != 0) {
                        active = 0;
                     }
                  }
               }

               if(active == 0) {
                  close_socket(m_socket);
                  m_socket = invalid_socket();
                  continue;
               }
            }
         }

         ::freeaddrinfo(res);

         if(m_socket == invalid_socket()) {
            throw System_Error(fmt("Connecting to {} for service {} failed with errno {}", hostname, service, errno),
                               errno);
         }
      }

      ~BSD_Socket() override {
         close_socket(m_socket);
         m_socket = invalid_socket();
         socket_fini();
      }

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

      void write(const uint8_t buf[], size_t len) override {
         fd_set write_set;
         FD_ZERO(&write_set);
         FD_SET(m_socket, &write_set);

         size_t sent_so_far = 0;
         while(sent_so_far != len) {
            struct timeval timeout = make_timeout_tv();
            int active = ::select(static_cast<int>(m_socket + 1), nullptr, &write_set, nullptr, &timeout);

            if(active == 0) {
               throw System_Error("Timeout during socket write");
            }

            const size_t left = len - sent_so_far;
            socket_op_ret_type sent =
               ::send(m_socket, cast_uint8_ptr_to_char(&buf[sent_so_far]), static_cast<sendrecv_len_type>(left), 0);
            if(sent < 0) {
               throw System_Error("Socket write failed", errno);
            } else {
               sent_so_far += static_cast<size_t>(sent);
            }
         }
      }

      size_t read(uint8_t buf[], size_t len) override {
         fd_set read_set;
         FD_ZERO(&read_set);
         FD_SET(m_socket, &read_set);

         struct timeval timeout = make_timeout_tv();
         int active = ::select(static_cast<int>(m_socket + 1), &read_set, nullptr, nullptr, &timeout);

         if(active == 0) {
            throw System_Error("Timeout during socket read");
         }

         socket_op_ret_type got = ::recv(m_socket, cast_uint8_ptr_to_char(buf), static_cast<sendrecv_len_type>(len), 0);

         if(got < 0) {
            throw System_Error("Socket read failed", errno);
         }

         return static_cast<size_t>(got);
      }

   private:
      struct timeval make_timeout_tv() const {
         struct timeval tv;
         tv.tv_sec = static_cast<decltype(timeval::tv_sec)>(m_timeout.count() / 1000000);
         tv.tv_usec = static_cast<decltype(timeval::tv_usec)>(m_timeout.count() % 1000000);
         return tv;
      }

      const std::chrono::microseconds m_timeout;
      socket_type m_socket;
};

#endif

}  // namespace

std::unique_ptr<OS::Socket> OS::open_socket(std::string_view hostname,
                                            std::string_view service,
                                            std::chrono::milliseconds timeout) {
#if defined(BOTAN_HAS_BOOST_ASIO)
   return std::make_unique<Asio_Socket>(hostname, service, timeout);

#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS) || defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
   return std::make_unique<BSD_Socket>(hostname, service, timeout);

#else
   BOTAN_UNUSED(hostname);
   BOTAN_UNUSED(service);
   BOTAN_UNUSED(timeout);
   // No sockets for you
   return std::unique_ptr<Socket>();
#endif
}

}  // namespace Botan

1	/*
2	* (C) 2015,2016,2017 Jack Lloyd
3	* (C) 2016 Daniel Neus
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/internal/socket.h>
9
10	#include <botan/exceptn.h>
11	#include <botan/mem_ops.h>
12	#include <botan/internal/fmt.h>
13	#include <chrono>
14
15	#if defined(BOTAN_HAS_BOOST_ASIO)
16	/*
17	* We don't need serial port support anyway, and asking for it causes
18	* macro conflicts with termios.h when this file is included in the
19	* amalgamation.
20	*/
21	#define BOOST_ASIO_DISABLE_SERIAL_PORT
22	#include <boost/asio.hpp>
23	#include <boost/asio/system_timer.hpp>
24
25	#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS)
26	#include <errno.h>
27	#include <fcntl.h>
28	#include <netdb.h>
29	#include <netinet/in.h>
30	#include <string.h>
31	#include <sys/socket.h>
32	#include <sys/time.h>
33	#include <unistd.h>
34
35	#elif defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
36	#include <ws2tcpip.h>
37	#endif
38
39	namespace Botan {
40
41	namespace {
42
43	#if defined(BOTAN_HAS_BOOST_ASIO)
44
45	class Asio_Socket final : public OS::Socket {	×
46	public:
47	Asio_Socket(std::string_view hostname, std::string_view service, std::chrono::milliseconds timeout) :	1✔
48	m_timeout(timeout), m_timer(m_io), m_tcp(m_io) {	2✔
49	m_timer.expires_from_now(m_timeout);	1✔
50	check_timeout();	1✔
51
52	boost::asio::ip::tcp::resolver resolver(m_io);	1✔
53	boost::asio::ip::tcp::resolver::query query(std::string{hostname}, std::string{service});	4✔
54	boost::asio::ip::tcp::resolver::iterator dns_iter = resolver.resolve(query);	1✔
55
56	boost::system::error_code ec = boost::asio::error::would_block;	1✔
57
58	auto connect_cb = [&ec](const boost::system::error_code& e, const boost::asio::ip::tcp::resolver::iterator&) {	2✔
59	ec = e;	1✔
60	};	1✔
61
62	boost::asio::async_connect(m_tcp, dns_iter, connect_cb);	1✔
63
64	while(ec == boost::asio::error::would_block) {	2✔
65	m_io.run_one();	1✔
66	}
67
68	if(ec) {	1✔
69	throw boost::system::system_error(ec);	×
70	}
71	if(m_tcp.is_open() == false) {	1✔
72	throw System_Error(fmt("Connection to host {} failed", hostname));	×
73	}
74	}	2✔
75
76	void write(const uint8_t buf[], size_t len) override {	1✔
77	m_timer.expires_from_now(m_timeout);	1✔
78
79	boost::system::error_code ec = boost::asio::error::would_block;	1✔
80
81	m_tcp.async_send(boost::asio::buffer(buf, len), [&ec](boost::system::error_code e, size_t) { ec = e; });	2✔
82
83	while(ec == boost::asio::error::would_block) {	3✔
84	m_io.run_one();	2✔
85	}
86
87	if(ec) {	1✔
88	throw boost::system::system_error(ec);	×
89	}
90	}	1✔
91
92	size_t read(uint8_t buf[], size_t len) override {	1✔
93	m_timer.expires_from_now(m_timeout);	1✔
94
95	boost::system::error_code ec = boost::asio::error::would_block;	1✔
96	size_t got = 0;	1✔
97
98	m_tcp.async_read_some(boost::asio::buffer(buf, len), [&](boost::system::error_code cb_ec, size_t cb_got) {	1✔
99	ec = cb_ec;	1✔
100	got = cb_got;	1✔
101	});
102
103	while(ec == boost::asio::error::would_block) {	4✔
104	m_io.run_one();	3✔
105	}
106
107	if(ec) {	1✔
108	if(ec == boost::asio::error::eof) {	1✔
109	return 0;
110	}
111	throw boost::system::system_error(ec); // Some other error.	1✔
112	}
113
114	return got;	×
115	}
116
117	private:
118	void check_timeout() {	4✔
119	if(m_tcp.is_open() && m_timer.expires_at() < std::chrono::system_clock::now()) {	4✔
120	boost::system::error_code err;	1✔
121
122	// NOLINTNEXTLINE(bugprone-unused-return-value,cert-err33-c)
123	m_tcp.close(err);	1✔
124	}
125
126	m_timer.async_wait(std::bind(&Asio_Socket::check_timeout, this));	4✔
127	}	4✔
128
129	const std::chrono::milliseconds m_timeout;
130	boost::asio::io_service m_io;
131	boost::asio::system_timer m_timer;
132	boost::asio::ip::tcp::socket m_tcp;
133	};
134
135	#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS) \|\| defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
136
137	class BSD_Socket final : public OS::Socket {
138	private:
139	#if defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
140	typedef SOCKET socket_type;
141	typedef int socket_op_ret_type;
142	typedef int socklen_type;
143	typedef int sendrecv_len_type;
144
145	static socket_type invalid_socket() { return INVALID_SOCKET; }
146
147	static void close_socket(socket_type s) { ::closesocket(s); }
148
149	static std::string get_last_socket_error() { return std::to_string(::WSAGetLastError()); }
150
151	static bool nonblocking_connect_in_progress() { return (::WSAGetLastError() == WSAEWOULDBLOCK); }
152
153	static void set_nonblocking(socket_type s) {
154	u_long nonblocking = 1;
155	::ioctlsocket(s, FIONBIO, &nonblocking);
156	}
157
158	static void socket_init() {
159	WSAData wsa_data;
160	WORD wsa_version = MAKEWORD(2, 2);
161
162	if(::WSAStartup(wsa_version, &wsa_data) != 0) {
163	throw System_Error("WSAStartup() failed", WSAGetLastError());
164	}
165
166	if(LOBYTE(wsa_data.wVersion) != 2 \|\| HIBYTE(wsa_data.wVersion) != 2) {
167	::WSACleanup();
168	throw System_Error("Could not find a usable version of Winsock.dll");
169	}
170	}
171
172	static void socket_fini() { ::WSACleanup(); }
173	#else
174	typedef int socket_type;
175	typedef ssize_t socket_op_ret_type;
176	typedef socklen_t socklen_type;
177	typedef size_t sendrecv_len_type;
178
179	static socket_type invalid_socket() { return -1; }
180
181	static void close_socket(socket_type s) { ::close(s); }
182
183	static std::string get_last_socket_error() { return ::strerror(errno); }
184
185	static bool nonblocking_connect_in_progress() { return (errno == EINPROGRESS); }
186
187	static void set_nonblocking(socket_type s) {
188	if(::fcntl(s, F_SETFL, O_NONBLOCK) < 0) {
189	throw System_Error("Setting socket to non-blocking state failed", errno);
190	}
191	}
192
193	static void socket_init() {}
194
195	static void socket_fini() {}
196	#endif
197
198	public:
199	BSD_Socket(std::string_view hostname, std::string_view service, std::chrono::microseconds timeout) :
200	m_timeout(timeout) {
201	socket_init();
202
203	m_socket = invalid_socket();
204
205	addrinfo hints;
206	clear_mem(&hints, 1);
207	hints.ai_family = AF_UNSPEC;
208	hints.ai_socktype = SOCK_STREAM;
209	addrinfo* res;
210
211	const std::string hostname_str(hostname);
212	const std::string service_str(service);
213
214	int rc = ::getaddrinfo(hostname_str.c_str(), service_str.c_str(), &hints, &res);
215
216	if(rc != 0) {
217	throw System_Error(fmt("Name resolution failed for {}", hostname), rc);
218	}
219
220	for(addrinfo* rp = res; (m_socket == invalid_socket()) && (rp != nullptr); rp = rp->ai_next) {
221	if(rp->ai_family != AF_INET && rp->ai_family != AF_INET6) {
222	continue;
223	}
224
225	m_socket = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
226
227	if(m_socket == invalid_socket()) {
228	// unsupported socket type?
229	continue;
230	}
231
232	set_nonblocking(m_socket);
233
234	int err = ::connect(m_socket, rp->ai_addr, static_cast<socklen_type>(rp->ai_addrlen));
235
236	if(err == -1) {
237	int active = 0;
238	if(nonblocking_connect_in_progress()) {
239	struct timeval timeout_tv = make_timeout_tv();
240	fd_set write_set;
241	FD_ZERO(&write_set);
242	// Weirdly, Winsock uses a SOCKET type but wants FD_SET to get an int instead
243	FD_SET(static_cast<int>(m_socket), &write_set);
244
245	active = ::select(static_cast<int>(m_socket + 1), nullptr, &write_set, nullptr, &timeout_tv);
246
247	if(active) {
248	int socket_error = 0;
249	socklen_t len = sizeof(socket_error);
250
251	if(::getsockopt(m_socket, SOL_SOCKET, SO_ERROR, reinterpret_cast<char*>(&socket_error), &len) <
252	0) {
253	throw System_Error("Error calling getsockopt", errno);
254	}
255
256	if(socket_error != 0) {
257	active = 0;
258	}
259	}
260	}
261
262	if(active == 0) {
263	close_socket(m_socket);
264	m_socket = invalid_socket();
265	continue;
266	}
267	}
268	}
269
270	::freeaddrinfo(res);
271
272	if(m_socket == invalid_socket()) {
273	throw System_Error(fmt("Connecting to {} for service {} failed with errno {}", hostname, service, errno),
274	errno);
275	}
276	}
277
278	~BSD_Socket() override {
279	close_socket(m_socket);
280	m_socket = invalid_socket();
281	socket_fini();
282	}
283
284	BSD_Socket(const BSD_Socket& other) = delete;
285	BSD_Socket(BSD_Socket&& other) = delete;
286	BSD_Socket& operator=(const BSD_Socket& other) = delete;
287	BSD_Socket& operator=(BSD_Socket&& other) = delete;
288
289	void write(const uint8_t buf[], size_t len) override {
290	fd_set write_set;
291	FD_ZERO(&write_set);
292	FD_SET(m_socket, &write_set);
293
294	size_t sent_so_far = 0;
295	while(sent_so_far != len) {
296	struct timeval timeout = make_timeout_tv();
297	int active = ::select(static_cast<int>(m_socket + 1), nullptr, &write_set, nullptr, &timeout);
298
299	if(active == 0) {
300	throw System_Error("Timeout during socket write");
301	}
302
303	const size_t left = len - sent_so_far;
304	socket_op_ret_type sent =
305	::send(m_socket, cast_uint8_ptr_to_char(&buf[sent_so_far]), static_cast<sendrecv_len_type>(left), 0);
306	if(sent < 0) {
307	throw System_Error("Socket write failed", errno);
308	} else {
309	sent_so_far += static_cast<size_t>(sent);
310	}
311	}
312	}
313
314	size_t read(uint8_t buf[], size_t len) override {
315	fd_set read_set;
316	FD_ZERO(&read_set);
317	FD_SET(m_socket, &read_set);
318
319	struct timeval timeout = make_timeout_tv();
320	int active = ::select(static_cast<int>(m_socket + 1), &read_set, nullptr, nullptr, &timeout);
321
322	if(active == 0) {
323	throw System_Error("Timeout during socket read");
324	}
325
326	socket_op_ret_type got = ::recv(m_socket, cast_uint8_ptr_to_char(buf), static_cast<sendrecv_len_type>(len), 0);
327
328	if(got < 0) {
329	throw System_Error("Socket read failed", errno);
330	}
331
332	return static_cast<size_t>(got);
333	}
334
335	private:
336	struct timeval make_timeout_tv() const {
337	struct timeval tv;
338	tv.tv_sec = static_cast<decltype(timeval::tv_sec)>(m_timeout.count() / 1000000);
339	tv.tv_usec = static_cast<decltype(timeval::tv_usec)>(m_timeout.count() % 1000000);
340	return tv;
341	}
342
343	const std::chrono::microseconds m_timeout;
344	socket_type m_socket;
345	};
346
347	#endif
348
349	} // namespace
350
351	std::unique_ptr<OS::Socket> OS::open_socket(std::string_view hostname,	1✔
352	std::string_view service,
353	std::chrono::milliseconds timeout) {
354	#if defined(BOTAN_HAS_BOOST_ASIO)
355	return std::make_unique<Asio_Socket>(hostname, service, timeout);	1✔
356
357	#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS) \|\| defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
358	return std::make_unique<BSD_Socket>(hostname, service, timeout);
359
360	#else
361	BOTAN_UNUSED(hostname);
362	BOTAN_UNUSED(service);
363	BOTAN_UNUSED(timeout);
364	// No sockets for you
365	return std::unique_ptr<Socket>();
366	#endif
367	}
368
369	} // namespace Botan

randombit / botan / 11631334564

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