22587161270

Committed 02 Mar 2026 05:15PM UTC coverage: 90.32% (-0.001%) from 90.321%

Build # 22587161270

Build Type

Pull #5399

github

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web-flow

Commit Message

Merge 11695c8f6 into fac269140

Pull Request Pull Request #5399: Use RAII for addrinfo lifetime management

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83.64

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

/*
* (C) 2015,2016,2017 Jack Lloyd
* (C) 2016 Daniel Neus
* (C) 2019 Nuno Goncalves <nunojpg@gmail.com>
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/internal/socket_udp.h>

#include <botan/exceptn.h>
#include <botan/mem_ops.h>
#include <botan/internal/fmt.h>
#include <botan/internal/stl_util.h>
#include <botan/internal/target_info.h>
#include <botan/internal/uri.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 Darwin's termios.h when this
   * file is included in the amalgamation. GH #350
   */
   #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_SocketUDP final : public OS::SocketUDP {
   public:
      Asio_SocketUDP(std::string_view hostname, std::string_view service, std::chrono::microseconds timeout) :
            m_timeout(timeout), m_timer(m_io), m_udp(m_io) {
         m_timer.expires_after(m_timeout);
         check_timeout();

         boost::asio::ip::udp::resolver resolver(m_io);
         const boost::asio::ip::udp::resolver::results_type dns_iter =
            resolver.resolve(std::string{hostname}, std::string{service});

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

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

         boost::asio::async_connect(m_udp, dns_iter.begin(), dns_iter.end(), connect_cb);

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

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

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

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

         m_udp.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_after(m_timeout);

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

         m_udp.async_receive(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_udp.is_open() && m_timer.expiry() < std::chrono::system_clock::now()) {
            boost::system::error_code err;

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

         // NOLINTNEXTLINE(*-avoid-bind) FIXME - unclear why we can't use a lambda here
         m_timer.async_wait(std::bind(&Asio_SocketUDP::check_timeout, this));
      }

      const std::chrono::microseconds m_timeout;
      boost::asio::io_context m_io;
      boost::asio::system_timer m_timer;
      boost::asio::ip::udp::socket m_udp;
};
#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS) || defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
class BSD_SocketUDP final : public OS::SocketUDP {
   public:
      BSD_SocketUDP(std::string_view hostname, std::string_view service, std::chrono::microseconds timeout) :
            m_timeout(timeout), m_socket(invalid_socket()) {
         socket_init();

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

         addrinfo hints{};
         hints.ai_family = AF_UNSPEC;
         hints.ai_socktype = SOCK_DGRAM;

         unique_addr_info_ptr res = nullptr;

         const int rc = ::getaddrinfo(hostname_str.c_str(), service_str.c_str(), &hints, Botan::out_ptr(res));
         if(rc != 0) {
            throw System_Error(fmt("Name resolution failed for {}", hostname), rc);
         }

         for(const addrinfo* rp = res.get(); (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()) [[unlikely]] {
               // unsupported socket type?
               continue;
            }

            set_nonblocking(m_socket);
            memcpy(&sa, res->ai_addr, res->ai_addrlen);
            salen = static_cast<socklen_t>(res->ai_addrlen);  // NOLINT(*-redundant-casting)
         }

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

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

      BSD_SocketUDP(const BSD_SocketUDP& other) = delete;
      BSD_SocketUDP(BSD_SocketUDP&& other) = delete;
      BSD_SocketUDP& operator=(const BSD_SocketUDP& other) = delete;
      BSD_SocketUDP& operator=(BSD_SocketUDP&& 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();
            const 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;
            const socket_op_ret_type sent = ::sendto(m_socket,
                                                     cast_uint8_ptr_to_char(buf + sent_so_far),
                                                     static_cast<sendrecv_len_type>(left),
                                                     0,
                                                     reinterpret_cast<sockaddr*>(&sa),
                                                     salen);
            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();
         const int active = ::select(static_cast<int>(m_socket + 1), &read_set, nullptr, nullptr, &timeout);

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

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

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

         return static_cast<size_t>(got);
      }

   private:
   #if defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
      typedef SOCKET socket_type;
      typedef int socket_op_ret_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 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) {
         // NOLINTNEXTLINE(*-vararg)
         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
      sockaddr_storage sa = {};
      socklen_t salen;

      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;

      using unique_addr_info_ptr = std::unique_ptr<addrinfo, decltype([](addrinfo* p) {
                                                      if(p != nullptr) {
                                                         ::freeaddrinfo(p);
                                                      }
                                                   })>;
};
#endif
}  // namespace

std::unique_ptr<OS::SocketUDP> OS::open_socket_udp(std::string_view hostname,
                                                   std::string_view service,
                                                   std::chrono::microseconds timeout) {
#if defined(BOTAN_HAS_BOOST_ASIO)
   return std::make_unique<Asio_SocketUDP>(hostname, service, timeout);
#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS) || defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
   return std::make_unique<BSD_SocketUDP>(hostname, service, timeout);
#else
   BOTAN_UNUSED(hostname);
   BOTAN_UNUSED(service);
   BOTAN_UNUSED(timeout);
   return std::unique_ptr<OS::SocketUDP>();
#endif
}

std::unique_ptr<OS::SocketUDP> OS::open_socket_udp(std::string_view uri_string, std::chrono::microseconds timeout) {
   const auto uri = URI::from_any(uri_string);
   if(uri.port() == 0) {
      throw Invalid_Argument("UDP port not specified");
   }
   return open_socket_udp(uri.host(), std::to_string(uri.port()), timeout);
}

}  // namespace Botan

1	/*
2	* (C) 2015,2016,2017 Jack Lloyd
3	* (C) 2016 Daniel Neus
4	* (C) 2019 Nuno Goncalves <nunojpg@gmail.com>
5	*
6	* Botan is released under the Simplified BSD License (see license.txt)
7	*/
8
9	#include <botan/internal/socket_udp.h>
10
11	#include <botan/exceptn.h>
12	#include <botan/mem_ops.h>
13	#include <botan/internal/fmt.h>
14	#include <botan/internal/stl_util.h>
15	#include <botan/internal/target_info.h>
16	#include <botan/internal/uri.h>
17	#include <chrono>
18
19	#if defined(BOTAN_HAS_BOOST_ASIO)
20	/*
21	* We don't need serial port support anyway, and asking for it
22	* causes macro conflicts with Darwin's termios.h when this
23	* file is included in the amalgamation. GH #350
24	*/
25	#define BOOST_ASIO_DISABLE_SERIAL_PORT
26	#include <boost/asio.hpp>
27	#include <boost/asio/system_timer.hpp>
28	#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS)
29	#include <errno.h>
30	#include <fcntl.h>
31	#include <netdb.h>
32	#include <netinet/in.h>
33	#include <string.h>
34	#include <sys/socket.h>
35	#include <sys/time.h>
36	#include <unistd.h>
37
38	#elif defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
39	#include <ws2tcpip.h>
40	#endif
41
42	namespace Botan {
43
44	namespace {
45
46	#if defined(BOTAN_HAS_BOOST_ASIO)
47	class Asio_SocketUDP final : public OS::SocketUDP {	×
48	public:
49	Asio_SocketUDP(std::string_view hostname, std::string_view service, std::chrono::microseconds timeout) :	6✔
50	m_timeout(timeout), m_timer(m_io), m_udp(m_io) {	12✔
51	m_timer.expires_after(m_timeout);	6✔
52	check_timeout();	6✔
53
54	boost::asio::ip::udp::resolver resolver(m_io);	6✔
55	const boost::asio::ip::udp::resolver::results_type dns_iter =	6✔
56	resolver.resolve(std::string{hostname}, std::string{service});	18✔
57
58	boost::system::error_code ec = boost::asio::error::would_block;	6✔
59
60	auto connect_cb = [&ec](const boost::system::error_code& e,	12✔
61	const boost::asio::ip::udp::resolver::results_type::iterator&) { ec = e; };	6✔
62
63	boost::asio::async_connect(m_udp, dns_iter.begin(), dns_iter.end(), connect_cb);	12✔
64
65	while(ec == boost::asio::error::would_block) {	12✔
66	m_io.run_one();	6✔
67	}
68
69	if(ec) {	6✔
70	throw boost::system::system_error(ec);	×
71	}
72	if(!m_udp.is_open()) {	6✔
73	throw System_Error(fmt("Connection to host {} failed", hostname));	×
74	}
75	}	6✔
76
77	void write(const uint8_t buf[], size_t len) override {	6✔
78	m_timer.expires_after(m_timeout);	6✔
79
80	boost::system::error_code ec = boost::asio::error::would_block;	6✔
81
82	m_udp.async_send(boost::asio::buffer(buf, len), [&ec](boost::system::error_code e, size_t) { ec = e; });	12✔
83
84	while(ec == boost::asio::error::would_block) {	18✔
85	m_io.run_one();	12✔
86	}
87
88	if(ec) {	6✔
89	throw boost::system::system_error(ec);	×
90	}
91	}	6✔
92
93	size_t read(uint8_t buf[], size_t len) override {	6✔
94	m_timer.expires_after(m_timeout);	6✔
95
96	boost::system::error_code ec = boost::asio::error::would_block;	6✔
97	size_t got = 0;	6✔
98
99	m_udp.async_receive(boost::asio::buffer(buf, len), [&](boost::system::error_code cb_ec, size_t cb_got) {	6✔
100	ec = cb_ec;	6✔
101	got = cb_got;	6✔
102	});
103
104	while(ec == boost::asio::error::would_block) {	22✔
105	m_io.run_one();	16✔
106	}
107
108	if(ec) {	6✔
109	if(ec == boost::asio::error::eof) {	×
110	return 0;
111	}
112	throw boost::system::system_error(ec); // Some other error.	×
113	}
114
115	return got;	6✔
116	}
117
118	private:
119	void check_timeout() {	18✔
120	if(m_udp.is_open() && m_timer.expiry() < std::chrono::system_clock::now()) {	18✔
121	boost::system::error_code err;	×
122
123	// NOLINTNEXTLINE(bugprone-unused-return-value,cert-err33-c)
124	m_udp.close(err);	×
125	}
126
127	// NOLINTNEXTLINE(*-avoid-bind) FIXME - unclear why we can't use a lambda here
128	m_timer.async_wait(std::bind(&Asio_SocketUDP::check_timeout, this));	18✔
129	}	18✔
130
131	const std::chrono::microseconds m_timeout;
132	boost::asio::io_context m_io;
133	boost::asio::system_timer m_timer;
134	boost::asio::ip::udp::socket m_udp;
135	};
136	#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS) \|\| defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
137	class BSD_SocketUDP final : public OS::SocketUDP {
138	public:
139	BSD_SocketUDP(std::string_view hostname, std::string_view service, std::chrono::microseconds timeout) :
140	m_timeout(timeout), m_socket(invalid_socket()) {
141	socket_init();
142
143	const std::string hostname_str(hostname);
144	const std::string service_str(service);
145
146	addrinfo hints{};
147	hints.ai_family = AF_UNSPEC;
148	hints.ai_socktype = SOCK_DGRAM;
149
150	unique_addr_info_ptr res = nullptr;
151
152	const int rc = ::getaddrinfo(hostname_str.c_str(), service_str.c_str(), &hints, Botan::out_ptr(res));
153	if(rc != 0) {
154	throw System_Error(fmt("Name resolution failed for {}", hostname), rc);
155	}
156
157	for(const addrinfo* rp = res.get(); (m_socket == invalid_socket()) && (rp != nullptr); rp = rp->ai_next) {
158	if(rp->ai_family != AF_INET && rp->ai_family != AF_INET6) {
159	continue;
160	}
161
162	m_socket = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
163
164	if(m_socket == invalid_socket()) [[unlikely]] {
165	// unsupported socket type?
166	continue;
167	}
168
169	set_nonblocking(m_socket);
170	memcpy(&sa, res->ai_addr, res->ai_addrlen);
171	salen = static_cast<socklen_t>(res->ai_addrlen); // NOLINT(*-redundant-casting)
172	}
173
174	if(m_socket == invalid_socket()) {
175	throw System_Error(fmt("Connecting to {} for service {} failed with errno {}", hostname, service, errno),
176	errno);
177	}
178	}
179
180	~BSD_SocketUDP() override {
181	close_socket(m_socket);
182	m_socket = invalid_socket();
183	socket_fini();
184	}
185
186	BSD_SocketUDP(const BSD_SocketUDP& other) = delete;
187	BSD_SocketUDP(BSD_SocketUDP&& other) = delete;
188	BSD_SocketUDP& operator=(const BSD_SocketUDP& other) = delete;
189	BSD_SocketUDP& operator=(BSD_SocketUDP&& other) = delete;
190
191	void write(const uint8_t buf[], size_t len) override {
192	fd_set write_set;
193	FD_ZERO(&write_set);
194	FD_SET(m_socket, &write_set);
195
196	size_t sent_so_far = 0;
197	while(sent_so_far != len) {
198	struct timeval timeout = make_timeout_tv();
199	const int active = ::select(static_cast<int>(m_socket + 1), nullptr, &write_set, nullptr, &timeout);
200
201	if(active == 0) {
202	throw System_Error("Timeout during socket write");
203	}
204
205	const size_t left = len - sent_so_far;
206	const socket_op_ret_type sent = ::sendto(m_socket,
207	cast_uint8_ptr_to_char(buf + sent_so_far),
208	static_cast<sendrecv_len_type>(left),
209	0,
210	reinterpret_cast<sockaddr*>(&sa),
211	salen);
212	if(sent < 0) {
213	throw System_Error("Socket write failed", errno);
214	} else {
215	sent_so_far += static_cast<size_t>(sent);
216	}
217	}
218	}
219
220	size_t read(uint8_t buf[], size_t len) override {
221	fd_set read_set;
222	FD_ZERO(&read_set);
223	FD_SET(m_socket, &read_set);
224
225	struct timeval timeout = make_timeout_tv();
226	const int active = ::select(static_cast<int>(m_socket + 1), &read_set, nullptr, nullptr, &timeout);
227
228	if(active == 0) {
229	throw System_Error("Timeout during socket read");
230	}
231
232	const socket_op_ret_type got =
233	::recvfrom(m_socket, cast_uint8_ptr_to_char(buf), static_cast<sendrecv_len_type>(len), 0, nullptr, nullptr);
234
235	if(got < 0) {
236	throw System_Error("Socket read failed", errno);
237	}
238
239	return static_cast<size_t>(got);
240	}
241
242	private:
243	#if defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
244	typedef SOCKET socket_type;
245	typedef int socket_op_ret_type;
246	typedef int sendrecv_len_type;
247
248	static socket_type invalid_socket() { return INVALID_SOCKET; }
249
250	static void close_socket(socket_type s) { ::closesocket(s); }
251
252	static std::string get_last_socket_error() { return std::to_string(::WSAGetLastError()); }
253
254	static bool nonblocking_connect_in_progress() { return (::WSAGetLastError() == WSAEWOULDBLOCK); }
255
256	static void set_nonblocking(socket_type s) {
257	u_long nonblocking = 1;
258	::ioctlsocket(s, FIONBIO, &nonblocking);
259	}
260
261	static void socket_init() {
262	WSAData wsa_data;
263	WORD wsa_version = MAKEWORD(2, 2);
264
265	if(::WSAStartup(wsa_version, &wsa_data) != 0) {
266	throw System_Error("WSAStartup() failed", WSAGetLastError());
267	}
268
269	if(LOBYTE(wsa_data.wVersion) != 2 \|\| HIBYTE(wsa_data.wVersion) != 2) {
270	::WSACleanup();
271	throw System_Error("Could not find a usable version of Winsock.dll");
272	}
273	}
274
275	static void socket_fini() { ::WSACleanup(); }
276	#else
277	typedef int socket_type;
278	typedef ssize_t socket_op_ret_type;
279	typedef size_t sendrecv_len_type;
280
281	static socket_type invalid_socket() { return -1; }
282
283	static void close_socket(socket_type s) { ::close(s); }
284
285	static std::string get_last_socket_error() { return ::strerror(errno); }
286
287	static bool nonblocking_connect_in_progress() { return (errno == EINPROGRESS); }
288
289	static void set_nonblocking(socket_type s) {
290	// NOLINTNEXTLINE(*-vararg)
291	if(::fcntl(s, F_SETFL, O_NONBLOCK) < 0) {
292	throw System_Error("Setting socket to non-blocking state failed", errno);
293	}
294	}
295
296	static void socket_init() {}
297
298	static void socket_fini() {}
299	#endif
300	sockaddr_storage sa = {};
301	socklen_t salen;
302
303	struct timeval make_timeout_tv() const {
304	struct timeval tv {};
305
306	tv.tv_sec = static_cast<decltype(timeval::tv_sec)>(m_timeout.count() / 1000000);
307	tv.tv_usec = static_cast<decltype(timeval::tv_usec)>(m_timeout.count() % 1000000);
308	return tv;
309	}
310
311	const std::chrono::microseconds m_timeout;
312	socket_type m_socket;
313
314	using unique_addr_info_ptr = std::unique_ptr<addrinfo, decltype([](addrinfo* p) {
315	if(p != nullptr) {
316	::freeaddrinfo(p);
317	}
318	})>;
319	};
320	#endif
321	} // namespace
322
323	std::unique_ptr<OS::SocketUDP> OS::open_socket_udp(std::string_view hostname,	6✔
324	std::string_view service,
325	std::chrono::microseconds timeout) {
326	#if defined(BOTAN_HAS_BOOST_ASIO)
327	return std::make_unique<Asio_SocketUDP>(hostname, service, timeout);	6✔
328	#elif defined(BOTAN_TARGET_OS_HAS_SOCKETS) \|\| defined(BOTAN_TARGET_OS_HAS_WINSOCK2)
329	return std::make_unique<BSD_SocketUDP>(hostname, service, timeout);
330	#else
331	BOTAN_UNUSED(hostname);
332	BOTAN_UNUSED(service);
333	BOTAN_UNUSED(timeout);
334	return std::unique_ptr<OS::SocketUDP>();
335	#endif
336	}
337
338	std::unique_ptr<OS::SocketUDP> OS::open_socket_udp(std::string_view uri_string, std::chrono::microseconds timeout) {	6✔
339	const auto uri = URI::from_any(uri_string);	6✔
340	if(uri.port() == 0) {	6✔
341	throw Invalid_Argument("UDP port not specified");	×
342	}
343	return open_socket_udp(uri.host(), std::to_string(uri.port()), timeout);	12✔
344	}	6✔
345
346	} // namespace Botan

randombit / botan / 22587161270

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