ReactOS 0.4.15-dev-8222-g9164419
net_sockets.c
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1/*
2 * TCP/IP or UDP/IP networking functions
3 *
4 * Copyright The Mbed TLS Contributors
5 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
6 *
7 * This file is provided under the Apache License 2.0, or the
8 * GNU General Public License v2.0 or later.
9 *
10 * **********
11 * Apache License 2.0:
12 *
13 * Licensed under the Apache License, Version 2.0 (the "License"); you may
14 * not use this file except in compliance with the License.
15 * You may obtain a copy of the License at
16 *
17 * http://www.apache.org/licenses/LICENSE-2.0
18 *
19 * Unless required by applicable law or agreed to in writing, software
20 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
21 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
22 * See the License for the specific language governing permissions and
23 * limitations under the License.
24 *
25 * **********
26 *
27 * **********
28 * GNU General Public License v2.0 or later:
29 *
30 * This program is free software; you can redistribute it and/or modify
31 * it under the terms of the GNU General Public License as published by
32 * the Free Software Foundation; either version 2 of the License, or
33 * (at your option) any later version.
34 *
35 * This program is distributed in the hope that it will be useful,
36 * but WITHOUT ANY WARRANTY; without even the implied warranty of
37 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
38 * GNU General Public License for more details.
39 *
40 * You should have received a copy of the GNU General Public License along
41 * with this program; if not, write to the Free Software Foundation, Inc.,
42 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
43 *
44 * **********
45 */
46
47/* Enable definition of getaddrinfo() even when compiling with -std=c99. Must
48 * be set before config.h, which pulls in glibc's features.h indirectly.
49 * Harmless on other platforms. */
50#ifndef _POSIX_C_SOURCE
51#define _POSIX_C_SOURCE 200112L
52#endif
53
54#if defined(__NetBSD__)
55#ifndef _XOPEN_SOURCE
56#define _XOPEN_SOURCE 600 /* sockaddr_storage */
57#endif
58#endif
59
60#if !defined(MBEDTLS_CONFIG_FILE)
61#include "mbedtls/config.h"
62#else
63#include MBEDTLS_CONFIG_FILE
64#endif
65
66#if defined(MBEDTLS_NET_C)
67
68#if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
69 !defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__) && \
70 !defined(__HAIKU__)
71#error "This module only works on Unix and Windows, see MBEDTLS_NET_C in config.h"
72#endif
73
74#if defined(MBEDTLS_PLATFORM_C)
75#include "mbedtls/platform.h"
76#else
77#include <stdlib.h>
78#endif
79
80#include "mbedtls/net_sockets.h"
81
82#include <string.h>
83
84#if (defined(_WIN32) || defined(_WIN32_WCE)) && !defined(EFIX64) && \
85 !defined(EFI32)
86
87#define IS_EINTR( ret ) ( ( ret ) == WSAEINTR )
88
89#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0501)
90#undef _WIN32_WINNT
91/* Enables getaddrinfo() & Co */
92#define _WIN32_WINNT 0x0501
93#endif
94
95#include <ws2tcpip.h>
96
97#include <winsock2.h>
98#include <windows.h>
99
100#if defined(_MSC_VER)
101#if defined(_WIN32_WCE)
102#pragma comment( lib, "ws2.lib" )
103#else
104#pragma comment( lib, "ws2_32.lib" )
105#endif
106#endif /* _MSC_VER */
107
108#define read(fd,buf,len) recv( fd, (char*)( buf ), (int)( len ), 0 )
109#define write(fd,buf,len) send( fd, (char*)( buf ), (int)( len ), 0 )
110#define close(fd) closesocket(fd)
111
112static int wsa_init_done = 0;
113
114#else /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
115
116#include <sys/types.h>
117#include <sys/socket.h>
118#include <netinet/in.h>
119#include <arpa/inet.h>
120#include <sys/time.h>
121#include <unistd.h>
122#include <signal.h>
123#include <fcntl.h>
124#include <netdb.h>
125#include <errno.h>
126
127#define IS_EINTR( ret ) ( ( ret ) == EINTR )
128
129#endif /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
130
131/* Some MS functions want int and MSVC warns if we pass size_t,
132 * but the standard functions use socklen_t, so cast only for MSVC */
133#if defined(_MSC_VER)
134#define MSVC_INT_CAST (int)
135#else
136#define MSVC_INT_CAST
137#endif
138
139#include <stdio.h>
140
141#include <time.h>
142
143#include <stdint.h>
144
145/*
146 * Prepare for using the sockets interface
147 */
148static int net_prepare( void )
149{
150#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
151 !defined(EFI32)
152 WSADATA wsaData;
153
154 if( wsa_init_done == 0 )
155 {
156 if( WSAStartup( MAKEWORD(2,0), &wsaData ) != 0 )
158
159 wsa_init_done = 1;
160 }
161#else
162#if !defined(EFIX64) && !defined(EFI32)
164#endif
165#endif
166 return( 0 );
167}
168
169/*
170 * Return 0 if the file descriptor is valid, an error otherwise.
171 * If for_select != 0, check whether the file descriptor is within the range
172 * allowed for fd_set used for the FD_xxx macros and the select() function.
173 */
174static int check_fd( int fd, int for_select )
175{
176 if( fd < 0 )
178
179#if (defined(_WIN32) || defined(_WIN32_WCE)) && !defined(EFIX64) && \
180 !defined(EFI32)
181 (void) for_select;
182#else
183 /* A limitation of select() is that it only works with file descriptors
184 * that are strictly less than FD_SETSIZE. This is a limitation of the
185 * fd_set type. Error out early, because attempting to call FD_SET on a
186 * large file descriptor is a buffer overflow on typical platforms. */
187 if( for_select && fd >= FD_SETSIZE )
189#endif
190
191 return( 0 );
192}
193
194/*
195 * Initialize a context
196 */
198{
199 ctx->fd = -1;
200}
201
202/*
203 * Initiate a TCP connection with host:port and the given protocol
204 */
206 const char *port, int proto )
207{
208 int ret;
209 struct addrinfo hints, *addr_list, *cur;
210
211 if( ( ret = net_prepare() ) != 0 )
212 return( ret );
213
214 /* Do name resolution with both IPv6 and IPv4 */
215 memset( &hints, 0, sizeof( hints ) );
216 hints.ai_family = AF_UNSPEC;
219
220 if( getaddrinfo( host, port, &hints, &addr_list ) != 0 )
222
223 /* Try the sockaddrs until a connection succeeds */
225 for( cur = addr_list; cur != NULL; cur = cur->ai_next )
226 {
227 ctx->fd = (int) socket( cur->ai_family, cur->ai_socktype,
228 cur->ai_protocol );
229 if( ctx->fd < 0 )
230 {
232 continue;
233 }
234
235 if( connect( ctx->fd, cur->ai_addr, MSVC_INT_CAST cur->ai_addrlen ) == 0 )
236 {
237 ret = 0;
238 break;
239 }
240
241 close( ctx->fd );
243 }
244
245 freeaddrinfo( addr_list );
246
247 return( ret );
248}
249
250/*
251 * Create a listening socket on bind_ip:port
252 */
253int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char *port, int proto )
254{
255 int n, ret;
256 struct addrinfo hints, *addr_list, *cur;
257
258 if( ( ret = net_prepare() ) != 0 )
259 return( ret );
260
261 /* Bind to IPv6 and/or IPv4, but only in the desired protocol */
262 memset( &hints, 0, sizeof( hints ) );
263 hints.ai_family = AF_UNSPEC;
266 if( bind_ip == NULL )
267 hints.ai_flags = AI_PASSIVE;
268
269 if( getaddrinfo( bind_ip, port, &hints, &addr_list ) != 0 )
271
272 /* Try the sockaddrs until a binding succeeds */
274 for( cur = addr_list; cur != NULL; cur = cur->ai_next )
275 {
276 ctx->fd = (int) socket( cur->ai_family, cur->ai_socktype,
277 cur->ai_protocol );
278 if( ctx->fd < 0 )
279 {
281 continue;
282 }
283
284 n = 1;
286 (const char *) &n, sizeof( n ) ) != 0 )
287 {
288 close( ctx->fd );
290 continue;
291 }
292
293 if( bind( ctx->fd, cur->ai_addr, MSVC_INT_CAST cur->ai_addrlen ) != 0 )
294 {
295 close( ctx->fd );
297 continue;
298 }
299
300 /* Listen only makes sense for TCP */
302 {
303 if( listen( ctx->fd, MBEDTLS_NET_LISTEN_BACKLOG ) != 0 )
304 {
305 close( ctx->fd );
307 continue;
308 }
309 }
310
311 /* Bind was successful */
312 ret = 0;
313 break;
314 }
315
316 freeaddrinfo( addr_list );
317
318 return( ret );
319
320}
321
322#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
323 !defined(EFI32)
324/*
325 * Check if the requested operation would be blocking on a non-blocking socket
326 * and thus 'failed' with a negative return value.
327 */
328static int net_would_block( const mbedtls_net_context *ctx )
329{
330 ((void) ctx);
331 return( WSAGetLastError() == WSAEWOULDBLOCK );
332}
333#else
334/*
335 * Check if the requested operation would be blocking on a non-blocking socket
336 * and thus 'failed' with a negative return value.
337 *
338 * Note: on a blocking socket this function always returns 0!
339 */
340static int net_would_block( const mbedtls_net_context *ctx )
341{
342 int err = errno;
343
344 /*
345 * Never return 'WOULD BLOCK' on a blocking socket
346 */
347 if( ( fcntl( ctx->fd, F_GETFL ) & O_NONBLOCK ) != O_NONBLOCK )
348 {
349 errno = err;
350 return( 0 );
351 }
352
353 switch( errno = err )
354 {
355#if defined EAGAIN
356 case EAGAIN:
357#endif
358#if defined EWOULDBLOCK && EWOULDBLOCK != EAGAIN
359 case EWOULDBLOCK:
360#endif
361 return( 1 );
362 }
363 return( 0 );
364}
365#endif /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
366
367/*
368 * Accept a connection from a remote client
369 */
371 mbedtls_net_context *client_ctx,
372 void *client_ip, size_t buf_size, size_t *ip_len )
373{
374 int ret;
375 int type;
376
377 struct sockaddr_storage client_addr;
378
379#if defined(__socklen_t_defined) || defined(_SOCKLEN_T) || \
380 defined(_SOCKLEN_T_DECLARED) || defined(__DEFINED_socklen_t) || \
381 ( defined(__NetBSD__) && defined(socklen_t) )
382 socklen_t n = (socklen_t) sizeof( client_addr );
383 socklen_t type_len = (socklen_t) sizeof( type );
384#else
385 int n = (int) sizeof( client_addr );
386 int type_len = (int) sizeof( type );
387#endif
388
389 /* Is this a TCP or UDP socket? */
390 if( getsockopt( bind_ctx->fd, SOL_SOCKET, SO_TYPE,
391 (void *) &type, &type_len ) != 0 ||
392 ( type != SOCK_STREAM && type != SOCK_DGRAM ) )
393 {
395 }
396
397 if( type == SOCK_STREAM )
398 {
399 /* TCP: actual accept() */
400 ret = client_ctx->fd = (int) accept( bind_ctx->fd,
401 (struct sockaddr *) &client_addr, &n );
402 }
403 else
404 {
405 /* UDP: wait for a message, but keep it in the queue */
406 char buf[1] = { 0 };
407
408 ret = (int) recvfrom( bind_ctx->fd, buf, sizeof( buf ), MSG_PEEK,
409 (struct sockaddr *) &client_addr, &n );
410
411#if defined(_WIN32)
412 if( ret == SOCKET_ERROR &&
414 {
415 /* We know buf is too small, thanks, just peeking here */
416 ret = 0;
417 }
418#endif
419 }
420
421 if( ret < 0 )
422 {
423 if( net_would_block( bind_ctx ) != 0 )
425
427 }
428
429 /* UDP: hijack the listening socket to communicate with the client,
430 * then bind a new socket to accept new connections */
431 if( type != SOCK_STREAM )
432 {
433 struct sockaddr_storage local_addr;
434 int one = 1;
435
436 if( connect( bind_ctx->fd, (struct sockaddr *) &client_addr, n ) != 0 )
438
439 client_ctx->fd = bind_ctx->fd;
440 bind_ctx->fd = -1; /* In case we exit early */
441
442 n = sizeof( struct sockaddr_storage );
443 if( getsockname( client_ctx->fd,
444 (struct sockaddr *) &local_addr, &n ) != 0 ||
445 ( bind_ctx->fd = (int) socket( local_addr.ss_family,
446 SOCK_DGRAM, IPPROTO_UDP ) ) < 0 ||
448 (const char *) &one, sizeof( one ) ) != 0 )
449 {
451 }
452
453 if( bind( bind_ctx->fd, (struct sockaddr *) &local_addr, n ) != 0 )
454 {
456 }
457 }
458
459 if( client_ip != NULL )
460 {
461 if( client_addr.ss_family == AF_INET )
462 {
463 struct sockaddr_in *addr4 = (struct sockaddr_in *) &client_addr;
464 *ip_len = sizeof( addr4->sin_addr.s_addr );
465
466 if( buf_size < *ip_len )
468
469 memcpy( client_ip, &addr4->sin_addr.s_addr, *ip_len );
470 }
471 else
472 {
473 struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *) &client_addr;
474 *ip_len = sizeof( addr6->sin6_addr.s6_addr );
475
476 if( buf_size < *ip_len )
478
479 memcpy( client_ip, &addr6->sin6_addr.s6_addr, *ip_len);
480 }
481 }
482
483 return( 0 );
484}
485
486/*
487 * Set the socket blocking or non-blocking
488 */
490{
491#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
492 !defined(EFI32)
493 u_long n = 0;
494 return( ioctlsocket( ctx->fd, FIONBIO, &n ) );
495#else
496 return( fcntl( ctx->fd, F_SETFL, fcntl( ctx->fd, F_GETFL ) & ~O_NONBLOCK ) );
497#endif
498}
499
501{
502#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
503 !defined(EFI32)
504 u_long n = 1;
505 return( ioctlsocket( ctx->fd, FIONBIO, &n ) );
506#else
507 return( fcntl( ctx->fd, F_SETFL, fcntl( ctx->fd, F_GETFL ) | O_NONBLOCK ) );
508#endif
509}
510
511/*
512 * Check if data is available on the socket
513 */
514
516{
517 int ret;
518 struct timeval tv;
519
520 fd_set read_fds;
521 fd_set write_fds;
522
523 int fd = ctx->fd;
524
525 ret = check_fd( fd, 1 );
526 if( ret != 0 )
527 return( ret );
528
529#if defined(__has_feature)
530#if __has_feature(memory_sanitizer)
531 /* Ensure that memory sanitizers consider read_fds and write_fds as
532 * initialized even on platforms such as Glibc/x86_64 where FD_ZERO
533 * is implemented in assembly. */
534 memset( &read_fds, 0, sizeof( read_fds ) );
535 memset( &write_fds, 0, sizeof( write_fds ) );
536#endif
537#endif
538
539 FD_ZERO( &read_fds );
541 {
542 rw &= ~MBEDTLS_NET_POLL_READ;
543 FD_SET( fd, &read_fds );
544 }
545
546 FD_ZERO( &write_fds );
548 {
549 rw &= ~MBEDTLS_NET_POLL_WRITE;
550 FD_SET( fd, &write_fds );
551 }
552
553 if( rw != 0 )
555
556 tv.tv_sec = timeout / 1000;
557 tv.tv_usec = ( timeout % 1000 ) * 1000;
558
559 do
560 {
561 ret = select( fd + 1, &read_fds, &write_fds, NULL,
562 timeout == (uint32_t) -1 ? NULL : &tv );
563 }
564 while( IS_EINTR( ret ) );
565
566 if( ret < 0 )
568
569 ret = 0;
570 if( FD_ISSET( fd, &read_fds ) )
572 if( FD_ISSET( fd, &write_fds ) )
574
575 return( ret );
576}
577
578/*
579 * Portable usleep helper
580 */
581void mbedtls_net_usleep( unsigned long usec )
582{
583#if defined(_WIN32)
584 Sleep( ( usec + 999 ) / 1000 );
585#else
586 struct timeval tv;
587 tv.tv_sec = usec / 1000000;
588#if defined(__unix__) || defined(__unix) || \
589 ( defined(__APPLE__) && defined(__MACH__) )
590 tv.tv_usec = (suseconds_t) usec % 1000000;
591#else
592 tv.tv_usec = usec % 1000000;
593#endif
594 select( 0, NULL, NULL, NULL, &tv );
595#endif
596}
597
598/*
599 * Read at most 'len' characters
600 */
601int mbedtls_net_recv( void *ctx, unsigned char *buf, size_t len )
602{
603 int ret;
604 int fd = ((mbedtls_net_context *) ctx)->fd;
605
606 ret = check_fd( fd, 0 );
607 if( ret != 0 )
608 return( ret );
609
610 ret = (int) read( fd, buf, len );
611
612 if( ret < 0 )
613 {
614 if( net_would_block( ctx ) != 0 )
616
617#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
618 !defined(EFI32)
621#else
622 if( errno == EPIPE || errno == ECONNRESET )
624
625 if( errno == EINTR )
627#endif
628
630 }
631
632 return( ret );
633}
634
635/*
636 * Read at most 'len' characters, blocking for at most 'timeout' ms
637 */
638int mbedtls_net_recv_timeout( void *ctx, unsigned char *buf,
639 size_t len, uint32_t timeout )
640{
641 int ret;
642 struct timeval tv;
643 fd_set read_fds;
644 int fd = ((mbedtls_net_context *) ctx)->fd;
645
646 ret = check_fd( fd, 1 );
647 if( ret != 0 )
648 return( ret );
649
650 FD_ZERO( &read_fds );
651 FD_SET( fd, &read_fds );
652
653 tv.tv_sec = timeout / 1000;
654 tv.tv_usec = ( timeout % 1000 ) * 1000;
655
656 ret = select( fd + 1, &read_fds, NULL, NULL, timeout == 0 ? NULL : &tv );
657
658 /* Zero fds ready means we timed out */
659 if( ret == 0 )
660 return( MBEDTLS_ERR_SSL_TIMEOUT );
661
662 if( ret < 0 )
663 {
664#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
665 !defined(EFI32)
666 if( WSAGetLastError() == WSAEINTR )
668#else
669 if( errno == EINTR )
671#endif
672
674 }
675
676 /* This call will not block */
677 return( mbedtls_net_recv( ctx, buf, len ) );
678}
679
680/*
681 * Write at most 'len' characters
682 */
683int mbedtls_net_send( void *ctx, const unsigned char *buf, size_t len )
684{
685 int ret;
686 int fd = ((mbedtls_net_context *) ctx)->fd;
687
688 ret = check_fd( fd, 0 );
689 if( ret != 0 )
690 return( ret );
691
692 ret = (int) write( fd, buf, len );
693
694 if( ret < 0 )
695 {
696 if( net_would_block( ctx ) != 0 )
698
699#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
700 !defined(EFI32)
703#else
704 if( errno == EPIPE || errno == ECONNRESET )
706
707 if( errno == EINTR )
709#endif
710
712 }
713
714 return( ret );
715}
716
717/*
718 * Gracefully close the connection
719 */
721{
722 if( ctx->fd == -1 )
723 return;
724
725 shutdown( ctx->fd, 2 );
726 close( ctx->fd );
727
728 ctx->fd = -1;
729}
730
731#endif /* MBEDTLS_NET_C */
#define EINTR
Definition: acclib.h:80
#define EPIPE
Definition: acclib.h:91
#define EAGAIN
Definition: acclib.h:83
#define read
Definition: acwin.h:96
#define close
Definition: acwin.h:98
#define write
Definition: acwin.h:97
#define SIGPIPE
Definition: signal.h:35
#define SIG_IGN
Definition: signal.h:48
#define NULL
Definition: types.h:112
UINT32 uint32_t
Definition: types.h:75
USHORT port
Definition: uri.c:228
unsigned int(__cdecl typeof(jpeg_read_scanlines))(struct jpeg_decompress_struct *
Definition: typeof.h:31
INT WSAAPI recvfrom(IN SOCKET s, OUT CHAR FAR *buf, IN INT len, IN INT flags, OUT LPSOCKADDR from, IN OUT INT FAR *fromlen)
Definition: recv.c:87
INT WSAAPI select(IN INT s, IN OUT LPFD_SET readfds, IN OUT LPFD_SET writefds, IN OUT LPFD_SET exceptfds, IN CONST struct timeval *timeout)
Definition: select.c:41
INT WINAPI WSAStartup(IN WORD wVersionRequested, OUT LPWSADATA lpWSAData)
Definition: startup.c:113
#define EWOULDBLOCK
Definition: errno.h:42
#define ECONNRESET
Definition: errno.h:115
#define IPPROTO_TCP
Definition: ip.h:196
#define IPPROTO_UDP
Definition: ip.h:197
unsigned long u_long
Definition: linux.h:269
__kernel_suseconds_t suseconds_t
Definition: linux.h:205
#define SOCK_STREAM
Definition: tcpip.h:118
#define AF_INET
Definition: tcpip.h:117
FxCollectionEntry * cur
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
GLdouble n
Definition: glext.h:7729
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
GLenum GLsizei len
Definition: glext.h:6722
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
int socklen_t
Definition: tcp.c:35
#define O_NONBLOCK
Definition: port.h:158
#define ioctlsocket
Definition: ncftp.h:481
Network sockets abstraction layer to integrate Mbed TLS into a BSD-style sockets API.
#define MBEDTLS_ERR_NET_ACCEPT_FAILED
Definition: net_sockets.h:83
int mbedtls_net_recv(void *ctx, unsigned char *buf, size_t len)
Read at most 'len' characters. If no error occurs, the actual amount read is returned.
#define MBEDTLS_ERR_NET_POLL_FAILED
Definition: net_sockets.h:90
#define MBEDTLS_ERR_NET_RECV_FAILED
Definition: net_sockets.h:84
#define MBEDTLS_ERR_NET_CONN_RESET
Definition: net_sockets.h:86
#define MBEDTLS_NET_LISTEN_BACKLOG
Definition: net_sockets.h:93
int mbedtls_net_set_nonblock(mbedtls_net_context *ctx)
Set the socket non-blocking.
int mbedtls_net_accept(mbedtls_net_context *bind_ctx, mbedtls_net_context *client_ctx, void *client_ip, size_t buf_size, size_t *ip_len)
Accept a connection from a remote client.
#define MBEDTLS_ERR_NET_BAD_INPUT_DATA
Definition: net_sockets.h:91
int mbedtls_net_send(void *ctx, const unsigned char *buf, size_t len)
Write at most 'len' characters. If no error occurs, the actual amount read is returned.
#define MBEDTLS_ERR_NET_LISTEN_FAILED
Definition: net_sockets.h:82
#define MBEDTLS_ERR_NET_BIND_FAILED
Definition: net_sockets.h:81
int mbedtls_net_recv_timeout(void *ctx, unsigned char *buf, size_t len, uint32_t timeout)
Read at most 'len' characters, blocking for at most 'timeout' seconds. If no error occurs,...
#define MBEDTLS_ERR_NET_BUFFER_TOO_SMALL
Definition: net_sockets.h:88
void mbedtls_net_usleep(unsigned long usec)
Portable usleep helper.
#define MBEDTLS_NET_POLL_READ
Definition: net_sockets.h:98
void mbedtls_net_free(mbedtls_net_context *ctx)
Gracefully shutdown the connection and free associated data.
#define MBEDTLS_NET_POLL_WRITE
Definition: net_sockets.h:99
#define MBEDTLS_NET_PROTO_UDP
Definition: net_sockets.h:96
#define MBEDTLS_ERR_NET_UNKNOWN_HOST
Definition: net_sockets.h:87
#define MBEDTLS_ERR_NET_INVALID_CONTEXT
Definition: net_sockets.h:89
#define MBEDTLS_NET_PROTO_TCP
Definition: net_sockets.h:95
int mbedtls_net_bind(mbedtls_net_context *ctx, const char *bind_ip, const char *port, int proto)
Create a receiving socket on bind_ip:port in the chosen protocol. If bind_ip == NULL,...
#define MBEDTLS_ERR_NET_SOCKET_FAILED
Definition: net_sockets.h:79
int mbedtls_net_poll(mbedtls_net_context *ctx, uint32_t rw, uint32_t timeout)
Check and wait for the context to be ready for read/write.
int mbedtls_net_connect(mbedtls_net_context *ctx, const char *host, const char *port, int proto)
Initiate a connection with host:port in the given protocol.
#define MBEDTLS_ERR_NET_CONNECT_FAILED
Definition: net_sockets.h:80
#define MBEDTLS_ERR_NET_SEND_FAILED
Definition: net_sockets.h:85
void mbedtls_net_init(mbedtls_net_context *ctx)
Initialize a context Just makes the context ready to be used or freed safely.
int mbedtls_net_set_block(mbedtls_net_context *ctx)
Set the socket blocking.
#define err(...)
#define rw
Definition: rosglue.h:38
#define errno
Definition: errno.h:18
Configuration options (set of defines)
This file contains the definitions and functions of the Mbed TLS platform abstraction layer.
int signal
Definition: except.c:82
static int fd
Definition: io.c:51
#define memset(x, y, z)
Definition: compat.h:39
int one
Definition: sehframes.cpp:28
namespace GUID const ADDRINFOEXW * hints
Definition: sock.c:80
INT WSAAPI getsockname(IN SOCKET s, OUT LPSOCKADDR name, IN OUT INT FAR *namelen)
Definition: sockctrl.c:213
INT WSAAPI setsockopt(IN SOCKET s, IN INT level, IN INT optname, IN CONST CHAR FAR *optval, IN INT optlen)
Definition: sockctrl.c:421
INT WSAAPI listen(IN SOCKET s, IN INT backlog)
Definition: sockctrl.c:123
INT WSAAPI getsockopt(IN SOCKET s, IN INT level, IN INT optname, OUT CHAR FAR *optval, IN OUT INT FAR *optlen)
Definition: sockctrl.c:271
INT WSAAPI shutdown(IN SOCKET s, IN INT how)
Definition: sockctrl.c:506
INT WSAAPI bind(IN SOCKET s, IN CONST struct sockaddr *name, IN INT namelen)
Definition: socklife.c:36
SOCKET WSAAPI accept(IN SOCKET s, OUT LPSOCKADDR addr, OUT INT FAR *addrlen)
Definition: socklife.c:23
SOCKET WSAAPI socket(IN INT af, IN INT type, IN INT protocol)
Definition: socklife.c:143
#define MBEDTLS_ERR_SSL_TIMEOUT
Definition: ssl.h:142
#define MBEDTLS_ERR_SSL_WANT_WRITE
Definition: ssl.h:141
#define MBEDTLS_ERR_SSL_WANT_READ
Definition: ssl.h:140
Definition: winsock.h:66
IN6_ADDR sin6_addr
Definition: ws2ipdef.h:182
struct in_addr sin_addr
Definition: winsock.h:512
Definition: dhcpd.h:245
unsigned long tv_sec
Definition: linux.h:1738
VOID WINAPI DECLSPEC_HOTPATCH Sleep(IN DWORD dwMilliseconds)
Definition: synch.c:790
#define MAKEWORD(a, b)
Definition: typedefs.h:248
int ret
char * host
Definition: whois.c:55
#define WSAEWOULDBLOCK
Definition: winerror.h:1948
#define WSAEMSGSIZE
Definition: winerror.h:1953
#define WSAECONNRESET
Definition: winerror.h:1967
#define WSAEINTR
Definition: winerror.h:1942
#define FD_ISSET(fd, set)
Definition: winsock.h:100
int PASCAL FAR WSAGetLastError(void)
Definition: dllmain.c:112
#define FD_ZERO(set)
Definition: winsock.h:96
#define SOCK_DGRAM
Definition: winsock.h:336
#define SO_REUSEADDR
Definition: winsock.h:180
#define MSG_PEEK
Definition: winsock.h:222
#define SOCKET_ERROR
Definition: winsock.h:333
#define FD_SETSIZE
Definition: winsock.h:50
#define SO_TYPE
Definition: winsock.h:195
#define SOL_SOCKET
Definition: winsock.h:398
#define FD_SET(fd, set)
Definition: winsock.h:89
#define AF_UNSPEC
Definition: winsock.h:344
#define FIONBIO
Definition: winsock.h:149
#define AI_PASSIVE
Definition: ws2def.h:293
#define getaddrinfo
Definition: wspiapi.h:44
#define freeaddrinfo
Definition: wspiapi.h:46