17010254744

Committed 16 Aug 2025 11:53AM UTC coverage: 90.654% (+0.006%) from 90.648%

Build # 17010254744

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Commit Message

Merge pull request #5060 from randombit/jack/tidy-aarch64-code

Fix various clang-tidy warnings in aarch64 specific code

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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/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);
         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();

         addrinfo* res = nullptr;
         addrinfo hints{};
         hints.ai_family = AF_UNSPEC;
         hints.ai_socktype = SOCK_DGRAM;

         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()) [[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)
         }

         ::freeaddrinfo(res);

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

randombit / botan / 17010254744

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